★★★★★
Trustpilot

Eryngium 'Big Blue'

The deepest blue, with extra texture

Grown by Jack

Hereford

Choose your size
Eryngium 'Big Blue' Perennial Bedding Eryngium 'Big Blue' Perennial Bedding Eryngium 'Big Blue' Perennial Bedding

Choose your size

Choose your size

Out of stock

Regular price £6
Regular price £8 Sale price £6

Currently out of stock

Currently out of stock

Currently out of stock

Currently out of stock

Eryngium 'Big Blue'

  • This spectacularly spiky sea holly brings so much coastal charm to your garden, you'll almost smell the salt air. Bright blue thimble-shaped flower heads are circled by a ruff of spiky, silvery-blue bracts, on branched stems rising from shimmering green foliage
  • Flowers throughout July and August
  • A hardy, low-maintenance perennial plant with excellent drought resistance
  • Plant in pots of borders in a sunny spot - these also make stunning cut flowers
  • Bees can't keep away from Eryngiums, so they're great for attracting pollinators to your garden
  • Winner of the RHS Award of Garden Merit - deservedly so
View full details

What to expect

Supplied as

Garden Ready Plant in a 1L Pot

Eventual height

75cm

Eventual spread

10-50cm
Spreads approx 10-50cm

Flower colour

Blue
Thimble shaped blue flowers surrounded by spiky bracts

Habit

Bushy/upright
Upright flower stems rise from bushy foliage

Hardiness

Fully hardy
H5 - Hardy through most of the UK even in severe winters. May not withstand open or exposed sites.

Spacing

10cm
Plant 10cm apart to allow for spreading

Will this grow in my garden?

Can I grow this in a pot?

Yes, Eryngium 'Big Blue' thrives in 30 cm pots with good drainage, being drought-tolerant and happy up to 30°C.

How big does it get?

Eryngium 'Big Blue' typically reaches a mature height of 80 cm and a spread of 45 cm.

How much sunlight does this need?

Eryngium 'Big Blue' requires full sun to flourish.

What kind of soil does this plant prefer?

Eryngium 'Big Blue' prefers well-drained, sandy or chalky soil.

How much watering does this plant need?

Once established, Eryngium 'Big Blue' is quite drought-tolerant and only requires watering every 10 to 14 days, providing around 1.5 cm of water, though it will appreciate a thorough soaking when temperatures exceed 25°C.

Will this plant need pruning?

No strict pruning is required, but Eryngium 'Big Blue' generally benefits from deadheading faded flowers to encourage further blooming and cutting back dead foliage in late autumn or early spring.

How hardy is this plant?

Eryngium 'Big Blue' has an RHS rating of H5, withstanding temperatures down to -15°C, making it hardy in most places throughout the UK even in severe winters.

The wider garden

Hereford

Meet Jack

Perennials born in Herefordshire, blooming in your garden

Our perennials start life in the rolling Herefordshire hills, where Jack and his team trial over 250 new varieties each year to bring you the best performing and most sustainable plants in the UK. With over forty years of excellence, it’s no surprise that they’ve won the HTA Plant Grower of the Year award two years running.

What customers say about us

We do our best to provide you the best experience ever

Great
★
★
★
★
★
★ Trustpilot
★★★★★ ✔ Verified
Anne Margaret, 21 hours ago
As always a pleasure to do bus...
As always a pleasure to do business with you
★★★★★ ✔ Verified
Lucy, 3 days ago
Great product very healthy tree
Great product very healthy tree
★★★★★
Asha Duttweiler, 4 days ago
Plants in excellent condition
The plants I ordered arrived soon after ordering in excellent condition...
★★★★★ ✔ Verified
Mary, 6 days ago
Brilliant service
I have had several plants from roots now and all been very good and sti...

What customers say about us

We do our best to provide you the best experience ever

Fighting plastic waste

Delivering fresh from the nursery

Supporting UK growers