So exactly what is chilling? Flowerbulbs and many seeds require a dormancy period before they are ready for growth. It is a chilling period of a certain number of days. Outdoors, spring-floweringbulbs are planted in the ground in the autumn, as they need the winter’s cold to encourage root growth and trigger the chemical reaction that leads to flowering. 6 chilled tulip bulbs- ready to plant. Planting instructions included. as of 11/15/13- chilled 10 wks. Product Description. Create your own Spring! Grow tulips indoors to beat the winter blues! Chilling breaks their dormancy period, allowing the bulbs to develop a root system, leaves, stems, and flower buds.Table 1. Recommended Chilling Periods for Forcing FloweringBulbs. Controlled Growth With Pre-Chilled Muscari in Warm Climates. Pre-chilled muscari involves artificially providing the cold treatment these bulbs require to trigger proper flowering in regions... Chill To Initiate Blooming. Place water-forced bulbs tip-end up, positioned with the bottom of the bulb 1/8 to 1/4 of an inch above the surface of the water. 'Chill hyacinth bulbs (from Amazon) for 12 weeks in the same way as crocus, by placing in the refrigerator in a paper bag, avoiding placement next to ethylene producers,' Julie says. *Our pre-chilledbulbs are ready for shipping starting in mid-December. By this time they have received the minimum amount of cold temperatures required for forcing and flower bud... Shop a large range of quality Tulip and Spring floweringbulbs at Mr Fothergill's online. Height: 15 – 20 cm. Position: Sunny or partially shaded area with well-drained soil. Indoor forcing: For early flowering, chillbulbs for 8–12 weeks before moving to a warmer spot. Agapanthus is a stunning and regal blue floweringbulb, while Hymenocallis abounds with large mid-season white flowers. Additional examples of bulbs that don’t need chilling include Key words: Lily, bulb, dormancy, gibberellic acid, benzyl adenine, chilling, flowering. Introduction. The floriculture industry is a key foreign exchange earner for the economy of Kenya. What Bulbs Need Chilling: How To ChillFloweringBulbs.Forced bulbs are a common sight in late winter/early spring. But why do they have to be forced and what is chilling? This vibrant spring-floweringbulb is celebrated for its strong stems and luminous orange flowers that radiate warmth and energy.