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Thomas Jefferson loved the beautiful flower trusses of tall cleome in his renowned flower gardens at Monticello. Today, these vigorous summer flowers are treasured in heirloom and restoration gardens. The 4 to 5 foot plants are crowned with huge flower clusters of pale pink, crisp white and rose-violet florets. Cleome’s unique blossoms with their long petals and spidery stamens are favorites of nectar-seeking hummingbirds. They make striking large arrangements when the long stems of bloom are brought indoors.
Seed Count: Approx. 270 / Weight: 0.5 g
Plant In |
Sun/Shade |
Planting Depth |
Space Seeds |
Days to Germinate |
Mature Height |
---|---|---|---|---|---|
April - June |
Full sun |
1/8 inch |
2 - 3 inches |
12 - 28 days |
4 - 5 feet |
Summer/fall bloom
Frost tender
In spring when all danger of frost is past and weather is warm and settled, sow seeds in a well-worked, fertile seed bed in full sun. Space seeds 2 to 3 inches apart in rows 12 inches apart, cover about 1/8 inch deep and firm soil gently. Keep soil evenly moist while awaiting germination in 12 to 28 days.
Four to five weeks before last frost date, sow seeds 1/8 inch deep and 2 to 3 inches apart in a container of seed starting mix. Keep warm and moist and provide a strong light source until seedlings are ready to plant outdoors. Seeds germinate best when day and night temperatures vary 10 to 20°. Thin or transplant seedlings 12 to 14 inches apart to give the large plants room to mature.
Tall old-fashioned Cleome is perfect to plant at the back of the border or in a cut flower garden combined with phlox, asters, snapdragons, cosmos or zinnias. Keep young plants well watered and weeded, and they will mature to handle dry heat or humid weather well and bloom all summer long.
Clematis vines are a great way to add vertical color to any garden space! Browse through our colourful collection and order yours today!
New seeds for the 2023 season are now available with more on the way! New varrieties and restocks are being added everyday!
Spring planting bulbs are now Here. See all the new 2023 varieties available and secure your favourites before they're gone!