Column Blend Stock is a refined cultivar of Matthiola incana that brings sophisticated, clustered blooms to gardens in zones 7-10. Growing 24 to 30 inches tall with a columnar habit, this variety produces densely packed flower spikes in a blend of colors, creating bold vertical accents in borders and arrangements. Sow indoors 8 to 10 weeks before your last frost date for spring blooms, or in fall in mild climates for winter and early spring color. For continuous flowering, succession sow every 2 to 3 weeks throughout the growing season.
Full Sun
Moderate
7-10
30in H x ?in W
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Moderate
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Column Blend Stock stands out for its tidy, upright growth habit and prolific spike production, making it far more useful in tight garden spaces than sprawling stock varieties. The columnar form means you get maximum flower impact without the spreading bulk, and the color blend adds visual intrigue without requiring separate plantings. Gardeners who want fragrant, cutting-garden flowers that work in both borders and containers will find this variety genuinely practical.
Stock flowers are grown primarily for cutting and arrangement work, valued for their fragrant, long-lasting spikes that hold up well in the vase. The columnar growth of this variety makes it especially suited to floral design, where the neat, vertical form slots easily into mixed arrangements without requiring heavy conditioning or breaking.
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Start seeds indoors 8 to 10 weeks before your average last frost date. In mild climates (zones 8-10), you can also sow indoors 8 to 10 weeks before your planned fall or winter transplant date for early spring bloom. Press seeds into the soil surface without covering them, as they require light to germinate.
Transplant outdoors 1 to 2 weeks after your average last frost date for spring planting. In USDA zone 7 and warmer, you can also transplant in fall or winter for early spring blooms. Harden off seedlings gradually before moving them to their permanent location.
You can sow directly outdoors 1 to 2 weeks after your average last frost date for spring color, or in fall in zone 7 and warmer for winter and spring blooms.
Harvest flower spikes by cutting them cleanly at the base once the lowest florets on the spike have opened and color has fully developed. Cut in early morning when stems are most turgid for longest vase life. Remove lower foliage from the cut stems before arranging.
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