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Usually grown as an annual, Commelina is a perennial in warmer zones, and because it forms tubers, it can be lifted and stored for the winter just like dahlias in every zone. Their distinctively cheerful 3-petaled flowers with bright yellow stamens last just a day, but are steadily produced in great numbers throughout the summer and fall. Commelina is versatile and easy to grow in dry or moist soil, in sun or part shade.
This lovely plant grows 18 to 30 inches tall, is quick to flower in just two months from seed, in a pleasing shade of clear violet blue.
Flowers in cool shades of blue, white, lilac and violet purple on 18 to 30 inch plants. Blooms in 2 months from seed.
These stunning 18-24 inch plants produce vivid blue flowers, winter hardy to Zones 9 and 10.
Sow seed in cell packs or flats, press into soil and barely cover. Kept at 65° F., germination is in 15-45 days. Transplant into the garden 12-18 inches apart after all danger of frost.
Comments: Full or part sun. Adapted to wet or dry soils. Low maintenance, it thrives in practically any garden location.