Received AGM (Award of Garden Merit) from Royal Horticultural Society.
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zon...Read Moree 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F) as mentioned in this entry is much to hot for growing tulips!
Tulips need a cold (winter) period to flower in spring.
Received AGM (Award of Garden Merit) from Royal Horticultural Society.
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zon...Read More