cucumber plants - Knowledgebase Question

Denver, Co
Question by msholiday
August 1, 2010
my plants are growing great, lot of flowering but no cucumbers growing, adequate water, space but no fruit


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Answer from NGA
August 1, 2010

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Cucumbers have separate male and female flowers on the same plant. So, to produce fruit, pollen from male flowers must be transferred to the female flowers. The female blossoms are connected to the stem with a swollen area; male blossoms have long-stalked stamens, each with pollen-filled anthers. Visiting bees and other types of insects provide the transfer of pollen from the male to the female blossoms. The male flowers of cucumbers often bloom and wither before the female blossoms start appearing, so be patient with your plants. Eventually, most will produce both male and female flowers. Once blossoms of both sexes are opening at the same time, and if there is still no fruit formation, there may be poor pollination. Sometimes Mother Nature needs help. If you have a shortage of pollinators, you can transfer pollen from male to female blossoms with a small watercolor paintbrush. Research has shown that growing cilantro, yarrow, wild buckwheat, white sweet clover, tansy, sweet fennel, sweet alyssum, spearmint, Queen Anne's lace, hairy vetch, flowering buckwheat, crimson clover, cowpeas, common knotweed and caraway attract natural pollinators and other beneficial insects including natural predators to gardens. good luck with your cucumbers.

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