Leave it alone and fertilize every weeks with a balanced houseplant fertilizer nutrient ratio diluted to half strength. The plant may rebloom on the old spike.
Cut the spike back to an inch above the last triangular node on the stem, which may encourage new bloom growth on the old spike do this if the spike still seems healthy. Cut back the entire spike to the base of the plant, which allows the orchid plant to put energy into the leaves and roots to grow a new spike later do this if your spike begins to look dark and dried out.
After a period of rest at least six months or so , trigger reblooming by moving your orchid to a cooler area with nighttime temperatures between F. Bloom Loss Problems If the buds of your orchid suddenly fall off before sprouting into blooms, your orchid is probably suffering from bud blast. This is likely preceded by the buds becoming either dry and brittle or softening. A similar reaction can happen to your orchid after it has already bloomed, called bloom blast.
In this case, the blooms will prematurely dry up and fall off, often quite suddenly. What Can You Do? This might be brought on by sudden temperature or humidity change or by improper hydration. Another cause of bud blast could be the proximity of your orchid to fruit that emits ethylene gas as it ripens, so avoid placing your orchid near your fruit bowl. Bud blast does not have to be a death sentence for your orchid.
For more tips on keeping your orchid healthy, see this helpful guide. Shipping Orders will ship in business days. Pricing and ship times adjusted due to higher volume and safety measures at this time.
Get weekly watering reminders so you'll never forget. Sign Up Now ». For a few aphids, dab with a cotton swab soaked in rubbing alcohol. Other means of control include insecticidal soaps, horticultural oils Neem or Sunspray , growth regulators and chitin inhibitors Enstar II , Pyrethrum-based insecticidal sprays, stronger insecticides Malathion , and systemic insecticides Orthene, Shield. Repeat any treatment method twice after the initial application at seven- to day intervals to kill successive generations.
Test new controls on a small population of plants before widespread use. When using insecticides, check labels to be certain the insecticide works against the particular pest and that it is approved for use on orchids.
Occasionally, even under perfect cultural conditions, an orchid will continually abort buds. There may be a genetic mutation responsible for its inability to produce viable blooms, in which case the plant should be discarded. Bud Blast. Helpfuls and Tips. Hamon, Avas B. Orchid Pests. In: Orchid Pests and Diseases. American Orchid Society, Delray Beach. Houghton Mifflin Company, New York. White, Phillip Z. Questions from Users Answered, Orchid Pages. Susan Jones was the editor of Awards Quarterly and assistant editor of Orchids.
Copyright American Orchid Society -- www. Discover the top vendors in the orchid community and their special offers on all things orchid. I am still struggling with this challenge.
Please indicate what motivated your visit to our website today, we really appreciate it. First Name:. Please enter your email address so we can send your download link and special printing instructions. Bud Blast By Susan Jones It can be heartbreaking to watch helplessly as long-awaited orchid buds brown, die and drop instead of becoming those much-anticipated flowers.
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