Giant Yellow Scabiosa is a towering perennial that transforms summer gardens with its cheerful, pale yellow pincushion flowers held high above the foliage on sturdy stems reaching four to six feet tall. Hardy in zone 3, this Cephalaria gigantea variety blooms reliably from June through August, attracting pollinators with ease while shrugging off deer pressure. It's a plant that commands attention without demanding constant fussing, thriving in full sun with moderate water and generally staying disease-free throughout the growing season.
Full Sun
Moderate
3-3
72in H x 36in W
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Moderate
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Standing four to six feet tall with blooms that hover well above the foliage, Giant Yellow Scabiosa creates an airy, almost architectural presence in summer gardens. The pale yellow flowers appear effortlessly for three months straight, drawing bees and butterflies with magnetic appeal. Deer leave it untouched, and the plant rarely struggles with pests or diseases, preferring instead to self-sow and establish itself as a reliable season-long anchor in mixed borders.
Giant Yellow Scabiosa functions as a summer-blooming vertical element in borders and mixed plantings, where its tall stems and airy flower heads create textural contrast against lower-growing companions. The flowers attract pollinators throughout the blooming period, supporting bees and butterflies over several months. Many gardeners allow plants to self-sow, creating naturalized drifts that return reliably year after year.
No timeline data available yet for this variety.
Sow seeds indoors 12 weeks before your last spring frost. Place seeds in moist vermiculite and chill in the refrigerator for 2 to 4 weeks to improve germination. After the chill period, sow seeds in flats at a depth of 1/8 inch and maintain temperatures between 68 and 70 degrees Fahrenheit. Seeds typically sprout within 14 to 30 days. Transplant seedlings outdoors after the last frost date.
Transplant seedlings outdoors after the last spring frost once they are established. Space plants two inches apart in full sun. Harden off seedlings by gradually exposing them to outdoor conditions before final planting.
Direct sowing is not recommended for this variety.
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