The pretty little marigold with it’s flowers ranging from yellow, through orange, to red, is a welcome sight in any garden. Tagetes marigolds certainly attract slugs and snails and get eaten very quickly by these pests. For example. I did a study on this several years ago. As a gardener of many years, in my early days, I readily bought into the companion planting philosophy, abetted in large measure by such publications as Organic Farming and Gardening, and Mother Earth News. That being said, they produce many seeds and will sprout next year if the soil is undisturbed. Marigold also makes a good companion plant to melons because it deters beetles. French marigolds do produce a chemical, called limonene, which attracts whitefly. Good luck with your permaculture course Rienie, permaculture is a great concept. Marigold companion planting enhances the growth of basil, broccoli, cabbage, cucumbers, eggplant, gourds, kale, potatoes, squash and tomatoes. Many claims are made, but almost none provide supporting evidence. A prolific seed producer, this annual gives the impression of being a perennial and will grow in most soil types but prefers well drained soil. Marigolds also attract many pollinator insects including bees, butterflies and hover flies so it’s not all bad . It is of course based on the way plants grow in nature but tweaked to our advantage. Marigolds do control nematodes in soil, but only in very special cases, and only if the plants are … Powered by, genus Tagetes has at least 50 different species and the common ones include, answer is sort of – but only in specific cases, US Department of Agriculture reports that at least 15 pests are attracted to marigolds, looked at various scented plants, including marigolds, quickly tells you that whitefly is a known pest of marigolds, arigolds produce root exudates such as alpha-terthienyl, terpenes and thiophenes, that inhibit the growth of beans, commercially to attract the rape blossom beetle away, Japanese beetles are attracted to marigolds, Parasitoids are small insects whose immature stages. Just add fresh marigold flowers, leaves and/or stems to a bucket, crush, and fill with water. The calendula is not really a marigold at all but is still a beneficial plant to grow in companion with others in your garden. Can you please help me by posting links proving that? Yes, although marigolds repel many pests, unfortunately marigolds attract slugs and red spider mites. A study that looked at various scented plants, including marigolds, peppermint, garden sage, and thyme, to see if they repel cabbage butterflies, found they didn’t work. A study intercropped marigolds with a green bean crop to see if they would repel Mexican bean beetles and it worked. Personally I don’t have too much faith in scientific research, after all, before The Portuguese explorer Ferdinand Magellan circumnavigated the globe in 1519 it was scientifically proven that the world was flat. This can be used to your advantage however, by growing marigolds as a sacrificial plant. Ground elder is a difficult weed to clear from the garden especially if it’s established. After 2 weeks it will start to decompose and will smell disgusting. The US Department of Agriculture reports that at least 15 pests are attracted to marigolds, including aphids, Asiatic garden beetle, mite, leaf hopper, Japanese beetles, and spider mites. 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. Leave for 7 days then strain the liquid into a spray bottle,diluting with equal amounts of water. They also aid in pollination by attracting bees to your garden.
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