Mediterranean Sea Holly
Eryngium bourgatii 'Picos Amethyst'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
20 inches
Width
15 inches
Light
Full Sun
Zones
5, 6, 7, 8, 9
Water
Low
Humidity
Low
Lifespan
Perennial
Native To
Pyrenees
Toxicity
Non-toxic
The Story
Plant Bio
Eryngium bourgatii is a striking perennial known for its spiky, thistle-like flower heads and deeply divided, silver-veined basal leaves. This cultivar is valued for its intense, amethyst-blue flower heads and bracts, which stand out against unique silvery-blue foliage, making it a standout in any garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select well-drained sandy or loamy soil for planting.
- Tuck seeds just below the soil surface and water gently.
- Place in full sun for optimal growth and flowering.
- Mist cuttings regularly to maintain humidity during propagation.
- Allow plants to establish for 4-6 weeks before reducing watering.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water sparingly during dormancy 🌱
- Deadhead spent flowers to encourage more blooms
- Apply a balanced fertilizer in early spring
- Provide full sun exposure for best flowering
Don't
- Overwater, which can cause root rot ❌
- Plant in heavy clay soil without amendment
- Neglect to prune after flowering
- Keep in shade, as it prefers full sun
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Harvest | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Mediterranean Sea Holly questions
What zones can Mediterranean Sea Holly grow in?
Mediterranean Sea Holly is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Mediterranean Sea Holly deer resistant?
Yes — Mediterranean Sea Holly is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Mediterranean Sea Holly bloom?
Mediterranean Sea Holly typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Mediterranean Sea Holly need full sun?
Mediterranean Sea Holly does best in full sun (6+ hours).
Is Mediterranean Sea Holly drought tolerant?
Yes — once established (usually after the first full season), Mediterranean Sea Holly handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Eryngium to compare
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Eryngium yuccifolium
Big Blue Sea Holly
Eryngium x hybrida 'Big Blue'
Sea Holly
Eryngium elevatum
Blue Glitter Sea Holly
Eryngium planum 'Blue Glitter'
Blue Hobbit Eryngium
Eryngium x zabelii 'Blue Hobbit'
Picos Blue Sea Holly
Eryngium bourgatii 'Picos Blue'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Mediterranean Sea Holly with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
