Freesia Flower Hardiness Zone. USDA hardiness zone 9 and warmer areas you can plant freesia corms in the fall. They are best grown in pots in the St.
Use the hammer to pound the stake about 4 inches into the soil. In USDA Zones 9-10 where Freesias are winter hardy they may be planted outdoors in fall. Non-toxic to humans and pets.
Non-toxic to humans and pets.
These two plant hardiness zones are extremely warm tropical environments that are best suited for plants tolerant of intense heat. Freesias prefer cool springtime temperatures and will not bloom in hot weather. May 17 2016 Freesias Colorful citrusy-scented freesias are South African corms although theyre sometimes referred to as bulbs. Deep 6-8 corms per 6.