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Details
These towering beauties, which hold well for 4-5 days in a vase and dry beautifully at any stage, emit a lightly sweet fragrance. Despite its thistle-like appearance, these fully spineless plants are ideal for cutting gardens with their sturdy stems. Native to the US and discovered in the 1850s, this variety thrives in sunny, drought-tolerant conditions across most soil types. its fascinating papery buds, likened to fairy baskets, give way to large quill-petaled flowers that are a magnet for pollinators and hold their beauty well when dried, making them perfect for both fresh and dried floral arrangements.
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Additional Info
| Botanical Name | Centaurea americana |
|---|---|
| Life Cycle | Annual |
| Min. Time to Germinate | 7 Days |
| Max. Time to Germinate | 14 Days |
| Depth to Sow Seeds | 1/16 in. |
| When to Sow | Indoors 6-8 weeks before last spring frost |
| Minimum Seed Spacing | 1" |
| Growing Height | 36-48 in. (90-120 cm) |
| Plant Spacing | 18-24 in. (45-60 cm) |
| Hardiness | USDA Zone 3a: to -35F, USDA Zone 3b: to -30F, USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F |
| Sun Exposure | Full Sun |
| Danger | Parts of plant are poisonous if ingested, Plant has spines or sharp edges; use extreme caution when handling, Pollen may cause allergic reaction |
| Bloom Color | White/Near White |
| Bloom Time | Late Spring/Early Summer, Late Summer/Early Fall, Mid-Summer |
| Foliage | Chartreuse (Yellow-Green) |
| Other Details | Average Water Needs; Water regularly; do not overwater, Drought-tolerant; suitable for xeriscaping |
| Soil pH Requirements | 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
| Propagation Methods | From seed; direct sow after last frost, From seed; sow indoors before last frost |
| Seed Collecting | Allow seedheads to dry on plants; remove and collect seeds |
| Seeds Per Pack | 25 |
