Award of Garden Merit (RHS Award) indicating a plant that is rated excellent for garden use, of good constitution, and not requiring specialist conditions to grow well.
***
Fully hardy
**
Hardy to -5°C
*
Unlikely to withstand a frost
T
Tender
#
New addition to this year's catalogue.
View Family: Agastache
Related Plants
Black Adder
90cm. Fragrant dark leaves, with dark buds opening to deep violet-blue flowers. Very attractive to bees and butterflies. Well-drained soil in sun. May be hardy in milder areas.
60-90cm. Upright plant with sweetly aromatic foliage, and spikes of deep lavender-blue flowers in summer. Sun or part shade. Dead-head to prolong flowering. Good cut flower. Self seeds a little.
60cm. Aromatic foliage, with spikes of soft tangerine flowers from late June to autumn, very attractive to bees and butterflies. Needs well-drained soil in sun. Hardy in milder areas, or overwinter frost-free.