Centaurea Imperialis Mix Seeds - Sweet Sultan

Centaurea Imperialis Mix Seeds - Sweet Sultan

C. imperialis
Sweet Sultan, Cornflower
Cold Hardy Annual

Product ID#: RC3580-8542

Additional Information

Harvesting Harvest when Mature, Good for Cutting, Long Vase Life
Growing Conditions Field Crop
Additional Characteristics Start Early for Transplants, Good for Overwintering, Cold Tolerant, Heat Tolerant, Easy to Grow
Flowering Month May, June, July, August, September, October
Garden Style Cutting / Cut Flowers, English Cottage, Heirloom & Heritage, Romantic, Victorian
Lighting Conditions Full Sun
Seed Type Heirloom, Open Pollinated
Days to Maturity 85 Days
Stem Type Single Stem
Plant Hardiness Hardy
Plant Height 21 - 30 inches
Plant Lifecycle Annual
Plant Moisture & Climate Heat Tolerant
Plant Uses Cut Flower & Bouquets, Sustains Beneficial Insects, Attracts Friendly Pollinators, Patio Container Friendly, Ornamental, Landscape
Shape Disk, Textural
  • 1 packet

* Required Fields



Centaurea Imperialis Mix is also known as Imperial Series or more commonly, Sweet Sultan. These beautiful hardy annuals are delightfully rich in texture. Adored by cut flower growers and home growers alike for their dynamic visual interest. Blooms themselves are 2" to 3" inches across and are best described as fringed, fluffy flowers. Blooms are almost thistle-looking and they protrude from a basket weave stem bottom that is also visually captivating. And to add to their depth of character, these blooms fill the air with a sweet honey scent all their own. Strong, straight stems make this variety a cut flower growers’ favorite!

Known to be grown in the Americas since the late 1700's when scented flowers were highly desirable, this is truly an old fashioned garden charmer. Plants grow to 30" inches and thrive in full sun. Mix includes white, rose, lilac and purple tones. Fall sow in zones 7-10. Packet: 100 seeds.


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