FALL PLANTING ,SPRING FLOWERING BULBS

spring flowering bulbs. tulips, daffodils, iris, lilies, giant tulips, grape hyacinths and other spring blooming flowers, Fall Bulbs should be planted as soon as the ground is cool, when evening temperatures average between 40° - 50° F. Ground temperatures reaching 40° - 50° F during fall is most common in cold climates (zones 1-7), generally 6-8 weeks before the ground freezes.

https://www.caribbeangardenseed.com/collections/bulbs