Cercis canadensis (Redbud) Seeds
Zones: 4 to 9.
Native to eastern North America.
Beautiful native flowering tree has pink pea-like flowers which bloom profusely on bare branches in early spring before the foliage emerges. The foliage consists of alternate heart shaped leaves. The Redbud has a short trunk and lateral branches. The bark is reddish-brown with fissures. Seeds are born in brown flattened bean-like dry seedpods to 2 to 4 inches (5–10 cm) long that mature in late summer to autumn. In its natural habitat the Redbud grows as an understory tree in open woodlands and thickets. Its compact size and flowering make it a desirable ornamental landscape tree for gardens and it attracts bees and birds. The Redbud prefers full sun to part shade and moist, loam or sandy soils.
Size: Height 15 to 25 ft; Width 15 to 25 ft.
Scarification: The seeds have a hard coat that should be sanded and / or nicked with a file to help make it permeable to moisture to germinate. Next place the seeds in a container with hot water and let them soak overnight.
Stratification: Provide about 60 days cold, moist stratification at 3° C (37° F) to 5° C (41° F).
- Place seeds in sandwich bag(s) with a bit of damp sand or vermiculite to keep moist.
- Place the bag(s) with seeds in refrigerator for about 60 days.
- After the required time take the seeds out of the refrigerator and sow the seeds in pots 1/4 inch deep and cover lightly. Water gently so as not to wash away the seeds. Keep soil moist but not wet.