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Carrots Love Tomatoes: Secrets of Companion Planting for Successful Gardening

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If you want to know whether it is kosher to plant onions between cabbage plants, this is the place to look.
-- Oklahoma Today

First published in 1975, this classic companion planting guide has taught a generation of gardeners how to use plants' natural partnerships to produce bigger and better harvests.
Over 500,000 in Print!

219 pages, Paperback

First published January 1, 1975

About the author

Louise Riotte

32 books14 followers
Beloved Storey author and life-long gardener Louise Riotte passed away in 1998 at the age of 89. She wrote 12 books on gardening, companion planting, and garden lore, among them the ever-popular Carrots Love Tomatoes, which has sold approximately 515,000 copies. Her father taught her to believe in and practice astrology, while her mother was a practicing herbalist. Together they inevitably influenced her life and her books, Roses Love Garlic, Astrological Gardening, Sleeping with a Sunflower, Catfish Ponds & Lily Pads, and her most recent book, Raising Animals by the Moon. Her own line drawings are included in all her books. Before authoring books, Riotte was a ghost writer for Simon & Schuster and for Jerry Baker's radio gardening show, and she also wrote a number of articles for Organic Gardening. Riotte took pride in her garden near her home in Ardmore, Oklahoma, which her son Eugene helped care for in her later years.

- from Amazon

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5 stars
1,002 (35%)
4 stars
1,112 (38%)
3 stars
601 (20%)
2 stars
115 (4%)
1 star
32 (1%)
Displaying 1 - 30 of 216 reviews
Profile Image for Amy Yarrington.
7 reviews2 followers
July 5, 2012
While the folksy tone of this book is kind of charming, I found it to be a frustrating read, particularly as a new and inexperienced gardener. I found myself LONGING for a table or chart that would summarize all the information together. The book seemed a bit riddled with inconsistencies - like for example mentioning carrots as good companions in the "tomatoes" section but then not mentioning tomatoes in the "carrots" section. I ended up trying to cobble together my own spreadsheet just to try to keep the stuff straight. I also would have appreciated a bit more detail about the basic ideas behind companion planting. How close to plants need to be together to share the effects? Why put two plants together as "companions" when they have completely different watering needs? That seems counter to other gardening advice I've read.
Profile Image for Brittany.
1,033 reviews153 followers
May 10, 2022
4 Stars ✨

Great book for beginner gardeners - full of tips and not just about carrots and tomatoes. I loved the section on herbs 🌿 for natural healing looking forward to experimenting in the garden with new plants/herbs this season.
Profile Image for Lauren.
13 reviews2 followers
March 19, 2021
Honestly a bit disappointed. I came in with high hopes of a well organized book focused specifically on companion planting. Instead, the book strays into other areas: pest control (aside from using companion plants), soil improvement, and for some reason lots of details about how plants might be used in the kitchen. Perhaps this would be a decent primer for a new gardener, but as a book dedicated to companion planting, it was quite disappointing.
Profile Image for Andrea.
149 reviews16 followers
Want to read
January 18, 2009
Because someday I will have a garden; Oh yes, it will be mine.
Profile Image for Karen.
11 reviews
February 18, 2009
This handy reference gets pulled out and reviewed nearly every time I plant another batch of veggies in my gardens. For those of us who have never seen where a carrot would prefer to grow in the wilds, this book allows us to plant companion plants that help each other out.
I really don't like the idea of adding any sort of sprays or fertilizers to my gardens, especially the vegetable and herb beds. So, compost and companion planting are my personal solutions for most "problems" encountered in the suburban garden plot.
You can read this like a bed-time story (cover to cover), or just flip through,stopping at the illustrations. But the Index is the real place to start. Choose your desired herbs or veggies, then go to the Index to find out more about their preferred buddies. Then plan your garden.
Profile Image for Dorcas.
663 reviews228 followers
March 12, 2014
This book is a bit higgeldy piggeldy organizationally but the information is excellent. I find myself opening it every spring to remind myself which plants like /dislike eachother. I agree with another reviewer who suggested that this book would be wonderful with a chart or two. It would save so much fumbling around.

The author is a woman in her twilight years with many decades of experience.*

*just found out she passed away in 1998 at age 89
Profile Image for Carol Bakker.
1,319 reviews101 followers
May 15, 2024
A wonderful resource for gardeners.

For example: beets grow fine next to bush beans, but not near pole beans. Who knew?

I read about intercropping too late for my vegetable garden but I'm going to give it a try with my flower beds in front. The deer think I grow zinnias for their dining pleasure. And won't stop munching even when I'm standing close shushing them away.

After I noticed that the only tulips that survive the deer are planted inside a ring of daffodils, I decided to try intercropping with zinnias and snapdragons. The deer wouldn't touch the snapdragons.

I won't even pretend that I'd remember to come back to this review and let the readers know the outcome of my experiment. But I'm buoyed with hope.
Profile Image for Wes Martin.
123 reviews4 followers
June 14, 2018
I was kind of disappointed in this book at first. I started out using it as a reference for companion planting in my garden, focusing only on the first few chapters about vegetables and herbs. And if that is all you plan to use it for, you may be disappointed as well. The information in some of the entries is lacking at times, and I had to search out a vegetable or herb in the index, only to find it did not have its own entry but was only mentioned in another plant's entry. However, I decided to read it cover-to-cover, and was more impressed with it after doing so. Riotte offers a lot of good traditional wisdom for gardening and growing in general, and talks about wild plants and trees a great deal, as well as gardening and companion planting techniques. Some of her passages on specific trees and how they can affect nearby crops are very insightful. While I wouldn't call this a must-read, it definitely has some good information on gardening and an array of plants.
Profile Image for Emily.
43 reviews
June 17, 2018
This book has a lot of helpful tips and pieces of advice, but they are all buried throughout sometimes random articles in the encyclopedic format. The information is also sometimes confusing and seemingly contradictory. Watermelons do well with potatoes, but don't plant potatoes with any melons. (Inferring from a few vague comments and reading the Latin names, this might be because watermelons aren't in the same family as other melons, cukes and squashes? It's not explained well.) There are a few topic-specific chapters in the back which were helpful, including a sketch of the author's garden. There are also a lot of recipes for home remedies, pest control, etc. interspersed in the articles. The only big problem I had was that there is effectively zero mention of citrus of any kind. But all in all, I'm glad I read it and it's a useful reference for specific purposes. I'll most likely flip through it again each time I'm getting ready to change the garden.
Profile Image for Wendee Radmall.
145 reviews
May 27, 2009
I picked this up at the library years ago and actually tried the principles of companion planting. Lots of them worked great! I now always plant marigolds by my potatoes because the scent keeps yucky bugs away.

Some other plant companions I enjoyed were carrots and tomatoes because carrots are a root plant and tomatoes grow above ground; pumpkins planted around the corn--to prevent racoons from wanting to traipse through the stickery vines to eat the corn; and peas, spinach, and onions, since they harvest at different times and can be planted quite close together.

There are some combinations to avoid as well, but I don't remember what. I guess I'll have to pick up the book again. =) Does that make it a classic???
Profile Image for Toni Okamoto.
Author 7 books99 followers
February 22, 2021
I checked this book out from the library and liked it so much that I plan on buying it as a reference guide in the garden. Although it is packed with a lot of good info, I'm knocking it down one star because I felt like the author tried to pack in so much information that it shortened the specifics in other areas.
174 reviews
August 11, 2021
I became aware of this book some years ago and the title intrigued me. But at the time I was planting only a certain few flowers specifically to attract hummingbirds and ascertained that the contents of the book really wouldn’t help me much on that project. Fast forward to the present - I am now interested in trying my hand at growing some vegetables so I decided to seek out this book to see if my yield could benefit from it in any way as space is at a premium in my yard and in the confined space in which I would be planting I did not want to waste time and that limited space by mistakenly trying to grow plants that would be detrimental to the growth of any adjacent plants.

I thought this was a good book for beginning vegetable gardeners. Not only did it include discussions of various types of plants - vegetables, herbs, weeds - and the vegetation best suited or not suited for planting alongside each other, but the author also included tips on pest management, gardening techniques, soil improvement and even provided some diagrams of successfully planted garden plots to aide the reader in planning their own garden.

I knocked off a star in my review as the book contained few illustrations of the various plants discussed and those few illustrations included were only pen and ink drawings. So the reader would have to consult other sources for a more definitive description of the plants referenced by the author. Thankfully, the author included the scientific names for all vegetation mentioned. Also, considering the date the book was last published - 1998 - I’m sure there are more current books on the topic of companion gardening that may provide more information. But for a handy, informative, concise, introduction containing valuable advice for one contemplating in starting a vegetable garden I would recommend it.
Profile Image for Literature and Leaves.
131 reviews1 follower
May 31, 2023
A helpful guide so you don’t hinder yourself by planting things that don’t do well together. I’ve found it most useful planning where to pop my herbs here and there. A lot of random little tidbits of useful info! A lot of the things I was already doing, but it was really cool to learn the science/reason it helps!! Recommend having your own garden planning notebook to jot down groups and ideas while you flip through so when you go to plan it’s less of a headache and not overwhelming.
Profile Image for Cara Meredith.
1,166 reviews29 followers
April 5, 2024
Lots of folksy knowledge and wisdom, with little bits of old lady humor thrown in just for the fun of it.
Profile Image for Syl.
121 reviews5 followers
June 6, 2023
I've been meaning to read this one for years!

Upon completing - this book is definitely finding a spot on my gardening reference shelf. Lots of great suggestions, several of which I'm trying in this year's garden. One idea is planting radishes around cukes and squash to repel cucumber beetles. Fingers crossed!
Profile Image for Kristal.
512 reviews10 followers
March 7, 2016
After years of wanting to have a garden, I finally dove in and attempted to do some container gardening since I didn't officially have a backyard. And I made it one of my goals for the year to read more gardening books to learn the Do's and Don'ts. Well, this little book is certainly a must-have to learn the good and the bad. It is packed full of useful information on companion planing, an ancient technique where you plant certain plants together that are beneficial to each other. The author does state that this is an extensive subject and that much more information can be obtained but she does an outstanding job of covering the basics of vegetables, fruit trees, grasses and even wild plants. A must have for anyone wanting to start learning about companion planting.
Profile Image for Jenny (Reading Envy).
3,876 reviews3,532 followers
April 21, 2010
This book was in such high demand at the library, I had to wait six weeks to check out a copy. It is an interesting philosophy of which plants do well together, and which plants you should plant far away from everything else (fennel does not love anything, apparently). It is hard to give the book a rating without having tested out its advice, but I plan to put dill where I harvested radishes, and next year will try some of their suggestions to keep cabbages healthy. A lot of things love tomatoes, it seems, including basil and carrots.
Profile Image for Kathleen.
396 reviews85 followers
March 18, 2018
Will probably want to have this book nearby when planning the plot layout. A little less useful than I had hoped because while it says what to plant nearby and avoid planting together, there's not a ton of explanation of why. So I can follow the directions, but I won't really understand why it works.
Profile Image for Barbara.
465 reviews46 followers
January 19, 2017
I would use this mainly as a reference book. I has information for vegetables, flowers, shrubs, trees, fruit, and herbs. I like that it seems to have quite a bit of information on natural pest control.
Profile Image for Hess.
214 reviews5 followers
February 28, 2023
Probably one of the best books available on this subject, with a few caveats:

1. companion planting is more anthropology than science. Carrots Love Tomatoes: Secrets of Companion Planting for Successful Gardening does not reference any scientific studies. That's because there are very few available. Robert Pavlis offers a good discussion of the subject on his blog here. We do not know why or even if some planting combinations work, and we have little data to suggest they work reliably in all settings.
2. pests, plant names and plant choices are all US-centric. International readers will need to do some translating. Luckily, Riotte provides binomial names for all plants, which helps.
3. unfortunately, pests are NOT listed by their binomial names. This makes any discussion of plant remedies and pests very hard to parse for international readers, scientific evidence notwithstanding.
4. the layout is frustrating. This book needs a glossary with tables/plant but Riotte does not include it. She will mention off-hand that tomatoes and basil go together while discussing asparagus. Or she'll mention that vetch should be sown before celeriac, then never bring it up again. I felt a lot of FOMO reading her plant summaries, always worrying that she'd hidden a relevant nugget about said plant in a completely different part of the book.

Parts I appreciated: Louise takes painstaking effort to update old beliefs. For example, in the section on comfrey, she highlights its historical reputation as a bone-setting herb, incl. its nutritional value. She then very clearly states that comfrey is no longer considered safe to drink, and shouldn't be ingested. This is fantastic attention to detail, and highlights the love that went into writing this book. That said, it also creates a false sense of security. In Louise's section on Aloe vera, there is no mention of risks or adverse reactions, though both are very real . If you are going to plant something medicinal based on this book, always do your own research.

Other things I loved: Louise goes wide with her work. In reality, this is less a book on companion planting and more one on plant uses. For example, she'll include a random section on herbal salt and sugar substitutes - something I haven't seen other authors do. Similarly, she includes a discussion of fruit trees, nuts, gardening techniques, green manure and soil improvement. There's even a set of garden plans (postage stamp gardens incl.) towards the end of the book.

Overall, a very interesting starting point for further reflection and study.
Profile Image for Dani.
198 reviews4 followers
Read
May 14, 2021
This book was... interesting.  At first, I felt it was easy enough to reference-- just look up the particular plant you want to know about!  But not all relevant information is exactly there; sometimes the information is spread about, or is in another section.  For example, you can look up a particular veggie and find its companion plants, but not necessarily *all* of them; sometimes the information is listed only with the other plant-- Plant A lists C, D, E, but only if you look under Plant B do you read that it goes well with A.

In line with that, there's loose info scattered throughout.  For example, there is a guide to different kinds of chiles, which is handy enough, if a bit out of place.  Sure, it's in the chile section, but this follows, "plant this with that, plant this that but *not* that, etc.  Oh!  Chiles have vitamins! Let's me tell you how good they are.  Here are the kinds of chiles.  Plant this with that, this with that..."
  
Some details are sprinkled in like "fun facts", and this *can* make for cool additions, like the section on plants to use as additives in your coffee.  It was unexpected and unique!  I also had never heard that if you smoke or chew tobacco, you need to be sure and wash your hands before touching your tomato plants since a disease on tobacco plants can greatly affect tomatoes.  But then there are other sections that are severely lacking in details, especially in the "how" and "why" and "how close or far".  It's definitely not what I would call "beginner-friendly."

Regrettably, some of the more generalized information is stuffed in at weird places.  If you wanted to know about basic information on disease-resistant vegetables, you wouldn't necessarily think to look between "cucumbers" and "eggplant" (which is exactly where it is in this book!)

This book has a very folksy tone and style.  On one hand, I understand the author has done plenty of gardening and has years of personal experience, but as a reader, how am I supposed to sort facts from "old wives' tales"?  The folksy-ness is charming enough, but I would like more sources and proof.  It feels charming when it sounds like an older relative telling you a story, sprinkling in some history, recipes, and tips.  And then it can be frustrating when it starts listing things like "freckle remedies" or sounding dated when talking about how "Chinese celery cabbage... deserve(es) to be better known in America..."  (I had to look up this vegetable, and found that now we call it "Napa cabbage".  I wish the late author could have been around to see this vegetable become more widely known!  Even mainstream recipe creators like America's Test Kitchen have a handful of recipes for Napa cabbage.)

All in all, this book had interesting tidbits and a folksy tone that was at best charming but at worst unhelpful.  I would definitely say this book is *not* for beginners or those looking for a straightforward or concise resource.  It's also not for those who need more pictures, guides, or even scientific sources.  But, if you're looking for a folksy garden book with tidbits, fun facts, and home remedies, I think you'd enjoy this book.
Profile Image for Patrice Doten.
798 reviews16 followers
August 26, 2021
I first read this in the late 90s. After moving in the early 2000s and spending many years without my own garden, we’re finally buying another house. I reread this book as a refresher in preparation for transforming the yard into gardens. It has quite a bit of useful information. However, because of the disorganized way in which it’s presented, you won’t necessarily find all the pertinent material where you expect it. The section on “Tomatoes” lists carrots as a good companion, and you might see them both listed together under a different vegetable as well, but you won’t see tomatoes listed in the “Carrots” section. This is the case for several different plants. To ensure getting all the information, you’d really need to read the entire book and take notes (or make them in the margins for future reference).

The book was also published in 1975 so much of the information is out-of-date. There are a number of recommended plants that have since been identified as invasive species and should under no circumstances be planted. There is also some misleading advice, e.g. Rhubarb listed as a desirable companion for columbine. However, one prefers full sun and the other shade (the book doesn’t mention that), so only a small percentage of gardens would have the right conditions to make such a combination work well. There is also faulty medicinal advice, and a number of toxic plants recommended - some of them include mention of the toxicity, while others don’t (Comfrey has many beneficial uses, but should NOT be ingested, as it’s known to cause liver damage).

Overall, I found this a helpful refresher and might recommend it to experienced gardeners as a starting point for additional research. I would not recommend it to new gardeners, however. There are no doubt more recent companion planting guides that are better organized and contain more comprehensive, up-to-date information.
Profile Image for Benjamin.
395 reviews
November 22, 2021
Eh, a few things.

1. Factual issues, here milkweed is listed as poisonous; however consulting Edible Wild Plants of the Prairie we find the flowers, young shoots and seed pods are edible when cooked and that author has eaten them repeatedly cooked with no issues, but reports stomach cramps when uncooked (Well someone had to for science). But given in spring Mikweed looks very nearly like dogbane which IS poisonous we can see how this happened and even I can't tell the two apart except when they're in flower. This is just one small example their are several other little things like this.
2. In my experience any plant is a good companion plant assuming both plants can get adequate sun, water and nutrition, I don't find that knowing particular combinations is very helpful since spacing can make such a huge difference, it's better to think about shape, size, root profile, etc to see what can be thrown together and still grow.
3. This is more specific to me, but in general I find if you have a lot of something, anything then pests will find it regardless of any defense plants you have nearby. Now, for a small backyard garden you can probably hide a few plants but that doesn't scale up in my experience. Now you absolutely should have host plants for beneficial insects and as much plant diversity as you can manage but it's not a magic solution.
4. If you're going to give medical advice please at least attempt citing sources.
July 4, 2020
I have no idea why this book is so popular

This book does not go into detail or the reason behind any of the companion planting suggestions. It is also organized in a very haphazard manner. There are various gardening topics throughout , like composting, insecticides, mulching, compost, etc, but they are very basic and only a paragraph or two at most
on each topic. Nothing insightful or instructive.
Then there is an entire chapter devoted to poisonous plants, and their effects. It’s nothing more than a long list of plants which I’ve never even heard of about 70% of them, and there is no description or illustrations or pictures so the information is useless. Oh and it lists things like strawberries in the poisonous chapter because it can cause ‘dermatitis’.

I read through the book in about an hour and will probably never reference it again because there is nothing that really provides instructive information, and if it did, I wouldn’t be able to locate it because the book is so poorly organized.

Save your money and get a real gardening book.
Profile Image for Barbara.
578 reviews6 followers
June 6, 2022
This is a book that has become very precious to me. I keep it on hand during the whole gardening seasoning and refer to it often. It has plenty of information on companion planting including vegetables and herbs. There are chapters loaded with information on wild plants, grasses, grains and field crops, how to grow fruit, ornamental trees and shrubs, soil improvement, pest control, poisonous plants, garden plans, and so much more. This book is jam packed with very helpful information and I cannot survive a growing season without the book. Sorry friends, I will not be loaning this book out due to fear that I would not get it back!
Profile Image for Debbie.
2,163 reviews48 followers
March 25, 2017
Though not completely applicable to my region, there are tons of great tips for using companion planting. I read another book focused on what thrives in my region and then this one to help plan out what I should plant together. I think that even gardeners who are way more experienced than I am will be able to find helpful information. I'll keep this in my library as a resource to refer back to when necessary.
8 reviews
October 19, 2020
I only wish this book had come into My life sooner ... This is the kind of book that any Gardner interested in learning, or tweaking, their plantings can come back to again and again .. so why not 5stars? Because like most reference material there is always some things "missing" (though this is by far the most thorough on the subject that I have found), a turn to time and again for Me, and a wonderful way to escape a frozen NH Winter
Profile Image for Marrei.
230 reviews10 followers
February 8, 2024
S ohledem na pochvalne recenze v zahrádkářské skupině jsem čekala něco trochu jiného. A lepšího. Některé kombinace a myšlenky byly dost zajímavé a minimálně je zkusím - u jiných jsem dost skepticka. Možná je to částečně i jinou lokalitou - i když se mi tolik nechce věřit, že někde u rajčat neřeší plíseň (a naopak doporuci k nim zasadit brambory...). Zároveň mi místy přišel i trochu pokulhavajici překlad.
Profile Image for Dominika.
350 reviews4 followers
September 25, 2019
I actually ended up purchasing this book after borrowing it from the library. While it is a wealth of information on companion planting and what plants are mutualistic/commensalist with each other, it also has some good general gardening tips. There are various section that even include wild and poisonous plants, and it serves as a nice reference.
Profile Image for Kristina.
34 reviews11 followers
September 21, 2021
This is the classic companion planting guide! Though not a deep dive into the practice, it's very informative and a must have for the home gardener.

I recommend it as a jumping off point for the new gardener, or as a concise reference for anyone just looking for the 'meat and potatoes' of companion planting.
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