Spring-flowering bulbs must be planted in the fall. They need cool soil to make roots before the onset of winter. Cool fall weather arrives at different times from north to south and from high elevations to low. Please note that the temperature of the soil lags behind the air temperature....
Top size bulbs: at least 12 cm. Bloom time: April/May. Plant 6" to 8" deep and 6" apart. Horticultural zones 3-7. Height: 8" to 24" depending on the variety. Tulips areThe Art & Soul of Spring. Tulip Horticultural TipsTulip Forcing Tips ...
Spring-flowering bulbs must be planted in the fall. They need cool soil to make roots before the onset of winter. Cool fall weather arrives at different times from north to south and from high elevations to low. Please note that the temperature of the soil lags behind the air temperature....