There was no difference between the PGR types for effectiveness in controlling flower stem height. Amaryllis flowers are very popular early-blooming bulbs that make for big, dramatic splashes of color in the dead of winter. Pre-soaking bulbs could lead to fungus/mildew/rot. Nearly all PGR bulb soaks reduced flower stem height compared with the controls, although not always significantly. The number of days to flower was not affected by any treatment. Plant amaryllis bulbs now for Christmas blooming. This means leaving the planting until the end of autumn in cooler areas and the beginning of winter in warmer areas. Others such as trees and perennials, I would soak overnight. A dose response was observed for both PGRs in reducing flower stem height, with greater control with 200-ppm treatments. Be careful not to over soak the bulb as you can cause mold to form and the roots to rot. 0 1. dawn g. 1 decade ago. Further research on amaryllis pre-plant bulb soaks with other popular cultivars would be beneficial and is ongoing. The Victorians associated the amaryllis with strength and determination because of its height and sturdiness. Put the pot in a cool (around 50°F), dark place. This is when next year’s buds are formed within the bulb. But then you plant them in a site that has well drained soil. Help your bulbs get started right by soaking them two hours before planting. Most bulbs are planted in the fall. Allow the soil to dry a bit between waterings. Experiment one. Keep the plant growing all summer long; you can even move it outside for the summer. Spring bloomers are planted in the fall — follow these watering tips to keep your Tulips, Daffodils, Alliums, Crocus (and many others!) Soak fall-planted bulbs for 12 hours in warm water before planting. The use of growth regulators appears to be cultivar specific. The Tui Team. The content of this field is kept private and will not be shown publicly. To induce flowering in time for Christmas, bring the plant into a warm, sunny location and resume watering around in early to mid-November. Based on observations through these studies, we hypothesize that the relatively quick growth of the flower buds (and emergence of leaves) with limited new root growth, little chemical absorption occurs and is a major reason for the lack of flower height control. After treatment, bulbs were allowed to air-dry for 10 minutes, then planted. - keep them in shade or in the sun area? All rights reserved. Bulbs soaked for 180 minutess in Piccolo for both ‘Pamela’ and ‘Black Pearl’ increased time to six days compared to controls. Custom programming and server maintenance by. See more “post-bloom” tips below. The ideal temperature is 68 to 70 degrees F. Water sparingly until the stem appears, then, as the bud and leaves appear, gradually water more. Once the blossoms have faded, cut off the flower stalk, but keep the leaves growing by placing the pot in a warm, sunny spot. Soak the amaryllis bulbs for a few hours to help rehydrate the roots and speed up the growth process. Box 128 Experiment three. Make sure you find a spot outside that drains well. ‘Black Pearl’, ‘Pamela’ and ‘Vera’ were pre-plant soaked in PGRs. Get one year of Greenhouse Product News in both print and digital editions for free. Water regularly and fertilize weekly with a balanced houseplant fertilizer. It also was observed in the second bulb soak experiment (experiment three) that soaks longer than 60 minutes caused a slight delay in flowering of at least three to nine days for several treatments. Placement and Watering. With a relatively fast rate of growth and development, the large flowerscapes often grow too tall, making the plants unstable, ultimately reducing their aesthetic appeal. 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