Agastache Sunset Yellow Seeds

Agastache Sunset Yellow Seeds – Irish Plants Direct

 

A striking and free flowering perennial grown for its warm yellow flower spikes and aromatic foliage.

 

Agastache ‘Sunset Yellow’ forms upright plants with slender stems and dense clusters of tubular blooms that attract bees, butterflies, and other pollinators.

 

The soft yellow flowers provide a luminous contrast in borders and wildlife friendly plantings, while the fragrant leaves add sensory appeal to the garden.

 

This hardy perennial thrives in full sun and well drained soil, tolerating heat and drought once established.

 

Perfect for pollinator gardens, mixed borders, and naturalistic planting schemes.

 

Seed Qty Approx 50

 

Sow February to April indoors or direct outdoors from May

Germination 14 to 30 days at 18 to 22°C

Soil and Position Free draining fertile soil in full sun

Height/Spread 60 to 80 cm tall, 30 to 40 cm spread

Flowering July to September

 

Sowing Instructions

Sow seeds thinly in trays of moist, well-drained compost. Lightly cover with fine soil and maintain temperatures at 18 to 22°C. Germination usually occurs within 2 to 4 weeks. Transplant seedlings when large enough to handle, spacing 30 to 40 cm apart. Harden off indoor seedlings and plant out after the last frost.

 

Grow and Maintenance

Water regularly during dry spells until plants are established. Once mature, Agastache requires little care and thrives in sunny, well-drained positions. Deadhead spent flower spikes to encourage further blooming and cut back stems in autumn to maintain shape.

 

Uses and Benefits

Warm yellow flower spikes for summer borders

Highly attractive to bees and butterflies

Fragrant foliage for sensory gardens

Heat and drought tolerant once established

Perfect for wildlife friendly and naturalistic schemes

 

Johnsons Seeds Range