Plant Fairs

Click here for our full Plant Fair Diary and event details

Newsletter Sign-Up

We send out regular newsletters with features on interesting plants, topical gardening tips, special offers exclusive for subscribers and news about gardening events. If you'd like to sign up click here

Follow Us
Instagram Twitter Facebook Pinterest

Agastache 'Black Adder'

Common Name: Giant Hyssop

Plant Family: Lamiaceae

Agastache  'Black Adder'
  Zoom
Price:  £6.00
+

Availability:  

  

8 in stock

Suggested Use:  Cut Flower
Planting Style:  cottage
Season of Interest:  Summer to Autumn
Position/ Situation:  Sunny Border
Sun/ Shade:  Sun
Flower Colour:  Blue
Scent:  Scented Leaves
Leaf Colour:  Green
Height:  medium (up to 6 feet)
Soil Type:  Normal, well-drained but moisture retentive
Soil PH:  No preference
Hardiness/minimum temperature:  Hardy to minus 5 deg. C
Bee and Butterfly:  Both
Rabbit & Deer Resistance:  Deer & Rabbit Resistant Plants
Resistance to Honey Fungus:  Resistant to Honey Fungus


Lovely perennial for attracting Bees and Butterflies with spikes of small lilac-blue flowers from July-Oct. Needs good drainage and full sun.


Mainland UK  £6 - £8.50 Bulbs/Tubers/ Bare root (UK) £4
Click and Collect FREE Northern Ireland, Highlands & Islands £6 - £10
Guernsey & Jersey £20 European Union £15 - £20

For more information please click here

Please allow up to 7 working days for your order to be despatched. Plants are despatched Monday-Thursday (excl. Bank Holidays) 

Unless otherwise indicated our plants are supplied in the following pot sizes according to category. Dimensions refer to either the pot diameter (cm) or volume (litre);

  • Exotics/Conservatory & House Plants, Succulents: mostly as young plants in 9cm or 1 litre pots
  • Hardy Perennials, Ferns and Grasses: 1 litre (approx 12cm diameter)
  • Herbs: 9cm
  • Hardy Shrubs and Climbers: 1.5 or 2 litre 
  • Potted Bulbs: variable- please see "Size/Qty" on product information page 
  • Dormant Bulbs, Tubers and Bare-root perennials come either bagged or wrapped without a pot

The exact size of plants will vary with the growing season and may be cut back in accordance with normal pruning regimes or to fit in the box if they are excessively tall


Goes well with
Achillea  'Inca Gold'

Achillea 'Inca Gold'£6.00

Yarrow

Large flat heads of terracotta flowers fading to yellow with age from June to August. An excellent cut flower and attracts bees and butterflies.

Shrubland Park Nurseries