Purple Sprouting Broccoli Seeds (Brassica oleracea var. italica) is a premium heirloom broccoli variety prized for its tender purple florets, sweet earthy flavor, and exceptional cold hardiness. Unlike traditional broccoli, this variety produces numerous slender side shoots after the main stem develops, providing an extended harvest over several weeks. Rich in antioxidants, vitamins, and minerals, Purple Sprouting Broccoli is perfect for steaming, roasting, stir-fries, and fresh garden harvests.
Planting Season
Best planted in: Late Summer & Fall (Cool Season Crop)
Can also be started in early spring in cooler climates, but performs best as an overwintering crop for spring harvest.
How to Grow Purple Sprouting Broccoli Seeds
Start seeds indoors 6–8 weeks before transplanting or sow directly outdoors in late summer.
Choose a location with full sun and fertile, well-drained soil.
Sow seeds ¼–½ inch deep.
Space plants 18–24 inches apart, with rows spaced 24–36 inches apart.
Keep soil consistently moist during germination.
Maintain soil temperatures between 60–75°F for best germination.
Seeds typically germinate within 5–10 days.
Transplant seedlings once they have several true leaves.
How to Care for Purple Sprouting Broccoli Plants
Water regularly to keep soil evenly moist.
Grow in nutrient-rich soil amended with compost or well-rotted organic matter.
Feed with a balanced fertilizer during the growing season.
Mulch around plants to retain moisture and suppress weeds.
Protect plants from cabbage worms and other common brassica pests.
Harvest tender purple shoots before the flower buds begin to open.
Continue harvesting side shoots regularly to encourage prolonged production.
Plants typically mature in 180–220 days, depending on planting time and climate.
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