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A picture of a Giant Hyssop

Giant Hyssop

Agastache spp.

Full Sun
Easy care
Moderate watering
Frost Hardy

9a

USDA zone

-7°C

Minimum temperature

Expected size

Height
Spread

1m

Max

50cm

50cm

Min

10cm

5 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

More images

A photo of Giant Hyssop
A photo of Giant Hyssop

Overview

The Agastache spp. are herbaceous perennial plants with upright spikes of aromatic flowers in a range of colours from white through pink, mauve to purple. They are easy to grow in sunny positions with well drained soil but with differing hardiness depending on species.

Common problems

Harvesting

Collect seeds in autumn when mature.

Propagation

Seed

Cuttings

Division

Special Features

Attracts useful insects

Uses

Cullinary

Leaf tips can be eaten or made into teas.

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