Eryngium leavenworthii Seeds (Purple Sheen Sea Holly)
Eryngium leavenworthii, commonly known as “Leavenworth’s eryngo” or “Texas button eryngo,” is a striking biennial or short-lived perennial native to the southern United States. It boasts spherical, metallic-blue flower heads resembling thistles and is characterized by its spiky, silvery-green leaves. Thriving in USDA hardiness zones 5-9, this drought-tolerant plant prefers well-drained soil and full sun. Mature plants typically reach heights of 2-3 feet, making them suitable for wildflower gardens. Eryngium leavenworthii seeds are available for propagation, making it a popular choice among gardeners for its unique, ornamental appearance and its role in attracting pollinators like bees and butterflies.
Growing Eryngium leavenworthii from Seed
- Growth cycle: Perennial
- Watering: Light
- Sunlight: Full Sun
- Suitable climates: Marine West Coast, Mediterranean, Humid Subtropical, Tropical Wet, Tropical Wet & Dry, Arid
- Where to grow: Outdoors
- Flower color: Purple
Germinating Purple Sheen Sea Holly Flower Seeds
To germinate Eryngium leavenworthii seeds, stratify them by cold treatment in the refrigerator for 30-60 days. Then, sow the seeds on well-draining soil, lightly covering them. Maintain soil moisture and provide full sun. Germination typically occurs in 14-28 days.
We source all of our Eryngium leavenworthii seeds from a small greenhouse facility based in southeastern Maine and store them in a dark, temperature-controlled environment before shipment. You’ll find that our fresh Purple Sheen Sea Holly seeds are much easier to germinate than the mass-produced packets of flower seeds found in stores! If you have any trouble growing Purple Sheen Sea Holly seeds, we’re happy to send you additional gardening tips. In the (unlikely) event that your Eryngium leavenworthii seeds do not germinate at all, we’ll give you a full refund, no questions asked.
We offer this variety on Etsy, eBay, and Amazon, as well!
Shipping & returns
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