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Agastache Plug Plants – How to Grow These Fragrant, Pollinator‑Friendly Perennials

11 Mar, 2026 24
Agastache Plug Plants – How to Grow These Fragrant, Pollinator‑Friendly Perennials

Agastache Plug Plants – How to Grow These Fragrant, Pollinator‑Friendly Perennials

Agastache, often known as hyssop, is one of the most rewarding perennials you can grow from plug plants. Loved for its long flowering season, fragrant foliage, and exceptional pollinator value, Agastache plug plants from Dartana Plants are ideal for sunny UK gardens where reliable colour and wildlife support are key.

By starting with healthy plug plants from Dartana Plants, gardeners can establish Agastache quickly, enjoy earlier flowering, and create bold, pollinator‑friendly planting schemes with ease.


🌱 Why Agastache Is Essential in UK Borders

Exceptionally Long Flowering
Agastache flowers from early summer right through to autumn, offering months of colour with minimal effort.

Pollinator Powerhouse
Bees, butterflies, and hoverflies flock to Agastache’s nectar‑rich flower spikes.

Drought & Heat Tolerant
With origins in warmer climates, Agastache thrives in hot, sunny, free‑draining borders.

Fragrant Foliage
Aromatic leaves release minty, aniseed scents when brushed past — perfect near paths and seating areas.

Easy to Grow from Plug Plants
Agastache plug plants establish quickly and require very little feeding or maintenance once settled.

🌸 Dartana’s Top Agastache Choices

Agastache (Hyssop) Plug Plants
Elegant upright flower spikes in soft purples, blues, and pinks, perfect for borders, wildlife gardens, and containers.

Shop Agastache Plug Plants at Dartana Plants:

Other excellent Agastache types include:
‘Blue Fortune’ — classic lavender‑blue spikes, very long flowering
‘Black Adder’ — dramatic dark stems with rich purple flowers
‘Morello’ — deep red tones, compact and bold
‘Beelicious Purple’ — bred specifically for pollinators


🌞 How to Grow Agastache Plug Plants in the UK

Agastache performs best in full sun and free‑draining soil. When planting Agastache plug plants, good drainage is more important than feeding.

Light
✔ Full sun
✔ Warm, open positions
✘ Avoid deep shade

Soil
• Free‑draining soil is essential
• Ideal for sandy or gravelly ground
• Improve clay soils with grit

Watering
• Water regularly while establishing
• Once settled, drought tolerant
• Avoid winter waterlogging

Feeding
• Light spring feed only
• Too much feed causes soft, floppy growth

Pruning
• Leave stems over winter for frost protection
• Cut back hard in spring once new growth appears


🌾 Where Agastache Fits Best in the Garden

Sunny Borders
Perfect alongside Salvia, Verbena, Echinacea, Achillea, and ornamental grasses available from Dartana Plants

Wildlife Gardens
One of the best perennials for continuous pollinator support throughout summer.

Gravel & Dry Gardens
Thrives where drainage is sharp and conditions are warm.

Containers & Patios
Compact varieties perform well in large pots with gritty compost.


Browse Perennials & Plug Plants

Great Companion Collections:
Salvia
Verbena
Echinacea

Helpful Blog Categories:
Growing Tips
Plant Information
Summer Gardening


💬 FAQs

Is Agastache hardy in the UK?
Yes — most Agastache varieties are hardy when grown in free‑draining soil.

Why did my Agastache die in winter?
Almost always due to winter wet rather than cold.

Should I deadhead Agastache?
Not essential, but it can extend flowering and keep plants tidy.

Is Agastache good for pots?
Yes — choose compact varieties and use a gritty compost mix.