A picture of a Giant Hyssop

Giant Hyssop

Agastache spp.

Also known as

Hummingbird Mint, Hyssop, Mexican hyssop

Full Sun
Easy care
Moderate watering
Frost Hardy

H4

RHS hardiness

-10°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 of Giant Hyssop

A photo of Giant Hyssop
A photo of Giant Hyssop
A photo of Giant Hyssop
A photo of Giant Hyssop
A photo of Giant Hyssop

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 with Giant Hyssop

How to harvest Giant Hyssop

Collect seeds in autumn when mature.

How to propagate Giant Hyssop

Seed

Cuttings

Division

Special features of Giant Hyssop

Attracts useful insects

Other uses of Giant Hyssop

Grown for their aromatic leaves and flowers.

Cullinary

Leaf tips can be eaten or made into teas.

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