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Nov 28

They make other plants grow better and their strong smell keeps pests away. As with all designs it is down to individual taste but as a guide try planting blue flowers like bluebells, anemones, violets or pansies. For much more information click here to go to companion planting flowers. Though I think you missed the point of Maryann Hardy’s comment, which was not to suggest that interplanting flowers with veggies maximized the space, but just that it is aesthetically pleasant to see the flowers thus planted . There have been some reports that marigolds also repel rabbits but I can find no evidence to support this. One example: Zucchini sprawls and even the modern “bush” forms take up a lot of area. Parasitoids eventually kill the host they feed on, as opposed to parasites like fleas and ticks, which typically feed upon hosts without killing them.” Their presence can have a significant effect on pests. Keeping the slugs and/or spider mites away from your crops. Plant broccoli with marigolds ————————-. Planting marigolds beside crops does nothing to stop root knot nematodes. How can whitefly be both a pest of marigolds and repel them at the same time? There are some clear cases where it does work. However, there are thousands of different kinds of nematodes and most are beneficial. It’s a collection of someone’s ideas, which are now highly followed and promoted. Comments on social media claiming that marigolds attract bees are of little value if the species and cultivar of the plant are not specified. However, it is quite likely that marigolds do repel some insects – we just don’t have enough research to know which ones they are. I can’t think of any gardener who enters the garden looking for drudgery, so the appeal of the garden is critical to it’s success. To keep a constant display of flowers deadhead regularly, and only allow them to set seed in late summer. The information contained within these posts have taken me many hours to accumulate and I hope it is of some benefit to others. I thinking back at the garden center is a safe distance for me. This can be used to your advantage however, by growing marigolds as a sacrificial plant. Marigolds as a Companion Plant. Good day, can you please post links to prove the statement that marigolds are good companion plants of potatoes,, basil, cucumbers, aubergines, squash, melons, asparagus, sweet corn, chillies and peppers. Otherwise known as Mexican, Aztec or American marigolds, African marigolds grow larger plants with much larger blooms than their French counterparts. Many modern cultivars have been bred for large flower heads with many petals. Thank you for doing what you do, Robert. And with this I agree. They also list marigolds as a repellent plant for squash bugs,rabbits,nematodes, Mexican bean beetles, Japanese beetles, flea beetles, cucumber beetles, corn ear worms, Colorado potato beetle, cabbage maggot, and aphids. 21 Common Indoor Plant Myths – That Save You Time and Money. Believing they will trap mites and keep them off other plants is a joke. Nematode damage is common in tomatoes, and marigolds are often effective in suppressing nematodes. There are 2 different types of marigold grown in the UK, 3 if you include the “pot marigold”(calendula). Keep in mind that most aphids don’t fly in their normal life cycle, so they won’t find either the cards or the marigolds. As always thank you for such a complete analysis of companion planting with marigolds. The old saying still applies I think, “Those who can do, and those who can’t teach” Frost kills marigolds. The calendula is not really a marigold at all but is still a beneficial plant to grow in companion with others in your garden. The succeeding crop must be planted in the exact same site as the marigold. Steve, Your email address will not be published. Beauty is an important factor. The French Marigold is the smallest of the 2 and is probably the most recognisable to the average gardener. Which ever variety of marigold you grow take care when handling as the natural oils contained in the plant can cause skin irritation. If one yellow attracts them, why would a different yellow repel them? The marigold, T. tabaci, did not repel the carrot fly when interplanted with carrots. Yes, although marigolds repel many pests, unfortunately marigolds attract slugs and red spider mites. In fact there is actually evidence that supports the theory that rabbits eat marigolds. But what I hear you ask of the Mexican or Aztec and the American marigold well all will be revealed. Perhaps the most important conclusion in that review is that every claim needs to be investigated individually. Why only melons and what kind of melons are they? However the Cornell university has a paper published on companion planting in which it states that marigolds enhance potatoes, roses, and tomatoes. I am busy with a course on permaculture and when I mentioned the benefits of marigolds on the various crops listed above, my tutor told me that, with the exception of tomatoes, there is no scientific proof that marigolds serve as a companion plant with positive effects on these crops. When was the last time a discussion about companion plating included the species name of the marigold? A claim such as “marigolds make good companion plants” is completely useless because it does not identify the type of benefit being promoted, nor does it identify the species of the companion plant. Marigolds are neither a ‘most favored’, nor a ‘least favored’ food of Japanese beetles, so it is unlikely they work well as a trap crop for the Japanese beetle. Marigolds do control nematodes in soil, but only in very special cases, and only if the plants are used correctly. The term marigold is a common name for plants in the genus Tagetes, but it is also used for a completely different species, Calendula officinalis. For all their many benefits, unfortunately marigolds are attractive to slugs and red spider mites. What can we conclude? No French and African marigolds are annuals. The flowers which bloom from spring through to autumn, range from yellow to orange. Beans grown with marigolds had less beetles, but the marigolds also stunted the growth of the beans, resulting in a lower harvest of beans. Required fields are marked *, Notify me of follow-up comments via e-mail. Cabbages are adversely effected by marigolds and yet, they repel cabbage white butterflies and cabbage moths. What effect do marigolds have on them? Cabbage. If a specific case is discussed, it really needs a scientific reference before the claim should be believed; gardeners rarely do controls. Growing to a height of 20-30 cms (10-12 inches) the French marigold is commonly grown in window boxes, hanging baskets, pots and formal garden displays and is a much favoured annual. There are many ways to determine which flowers to plant with marigolds, by size, colour or style. When marigolds were grown along side sweet peppers, in the field, the number of parasitoids doubled. Not all marigold varieties control all types of nematodes. Grow African marigolds in areas which receive less rainfall than average and water sparingly because too much water will cause them to rot and die. Cucumber. Most claims made by gardeners and garden writers are not correct. When a plant does repel an insect it is usually a specific insect and the reason for the repellency may not be due to the scent of a plant. Enhance the growth of basil, broccoli, cabbage, cucumbers, eggplants, gourds, kale, potatoes, squash and tomatoes. The old gardeners he asked said “it’s because we’ve always done it this way”. Companion planting with marigolds can produce excellent results. Being annuals, marigolds also have a long season of bloom which makes them a better food source than perennials. Marigolds produce root exudates such as alpha-terthienyl, terpenes and thiophenes, that inhibit the growth of beans. Marigolds also attract many pollinator insects including bees, butterflies and hover flies so it’s not all bad . growers should determine which marigold variety to use based on nematodes present in the field. It is of course based on the way plants grow in nature but tweaked to our advantage. Here’s the link to that paper. Both of these are beneficial as companion plants and some space should be allocated in your garden for at least one of these varieties. I have written about this before. I may just add that I have always been (and still is) a huge fan of planting marigolds as companion for certain crops, especially in the organic garden or permaculture landscape. I started looking into companion planting last year and wrote, Companion Planting: Truth or Myth? Plant kale with marigolds ————————-. I suspect most lists of bee friendly plants that mention “marigolds” are actually talking about calendula, not tagetes. In these plants, the organs carrying the pollen and nectar are no longer accessible to bees. Flowering from Spring and continuing to flower until the first frosts (as long as you deadhead) this annual is a good value, beneficial, cheerful plant. These parasitoids tend to be small and they don’t congregate in large numbers. French marigolds do produce a chemical, called limonene, which attracts whitefly. With light green, lance shaped leaves and aromatic smell. Gardeners talk about marigolds as if they are a single type of plant, but in fact they can belong to a number of different species.

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