Select a size

20% off

Agastache Blue Boa | Mexican Giant Hyssop

20% off

Agastache Blue Boa | Mexican Giant Hyssop

Agastache Blue Boa | Mexican Giant Hyssop

£19.99 £15.99
Save £4.00

Chunky spikes of deep violet-blue flowers appear over a long period from midsummer attracting a host of beneficial insects, so it's...

3 × 9cm pots
Select from 5 options
1
£15.99
In stock (delivery in 2-3 working days)
BUY NOW
Delivery van
Standard £5.99
Add to Wish List

Buy now pay later

Check items to add to the cart or
Total Price:£0.00

Plant description

Chunky spikes of deep violet-blue flowers appear over a long period from midsummer attracting a host of beneficial insects, so it's perfect for a wildlife-friendly garden, while the rich green insects, so it's perfect for a foliage, which releases its liquorice-like aroma when gently bruised, makes it valuable for sensory gardens.
Position

Position

Full sun

Rate of growth

Rate of growth

Average

Flowering period

Flowering period

June - October

Soil type

Soil type

All soil types

Hardiness

Hardiness

Semi hardy

Eventual height & spread
Eventual height and spread

Specifications

Delivery Option
Standard delivery
Location
Outdoor
Dimensions
3 × 9cm pots
Product Code
RH30004423

Care guide

Don't cut back the faded flower-stems until early spring, as they provide interest in the winter months. Lift and divide congested colonies in spring.

Reviews