Freesia Growing Zones

About Freesias

• One reason freesias are so appealing in the garden and in bouquets is that the stems turn, at right angles, just below the lowest flower -- so the upper part of the stems grow parallel to the ground for dramatic display. Considered spring or summer-flowering bulbs, freesias actually grow from corms like gladiolus. Flower colors and combinations include red, pink, orange, yellow and cream as well as lavender, blue and white. Plants grow from 12 to 18 inches tall and bloom from spring into early summer, depending on location. Freesias do best in full sun. Plant them in well-drained soil about 2 inches deep -- pointed end up -- and 3 inches apart. Freesias can also be easily forced into bloom indoors.

Growing Freesias in Northern Zones

• In zones 4 through 8, freesias should be planted in spring for summer bloom. Some gardeners prefer to grow freesias in containers. Continue to fertilize plants after they bloom to allow optimal vegetative growth. When leaves begin to yellow and turn brown, reduce water and allow all vegetation to completely die back -- so corms store maximum food energy for the next season -- before removing old vegetation. Lift freesia bulbs in fall for winter storage.

Growing Freesias in Southern Zones

• In zones 9 and 10, where winters are mild, plant freesias in the fall. They will establish roots and overwinter successfully before blooming the following spring or summer. Continue to fertilize plants after they bloom to allow optimal vegetative growth. When leaves begin to yellow and turn brown, reduce water and allow all vegetation to die back completely before removing all dead foliage. Freesias will begin growing again in fall. Some southern gardeners prefer growing them in containers.

Storing Tender "Bulbs"

• Take special care to store tender bulbs -- or bulb-like underground roots, tubers or corms, including freesias -- in climates where winter cold will damage them. According to the University of Minnesota Extension, care for freesias as you would gladiolus: carefully lift corms four to six weeks after blooming, or when frost kills vegetation. Brush away as much soil as possible and "cure" corms in a warm, dry place -- out of direct sun -- for two or three weeks. Separate new corms and discard the old center corm. Store corms in labeled paper bags at 35 to 40 degrees Fahrenheit until spring, then plant them.