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A picture of a Blue Hyssop

Blue Hyssop

Hyssopus officinalis

Also known as

Hyssop, Common Hyssop, Garden Hyssop

Photo by AllaM (All rights reserved)

Full Sun
Easy care
Light watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








10 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has a strong fragrance

More images of Blue Hyssop

A photo of Blue Hyssop
A photo of Blue Hyssop

Blue Hyssop Overview

Hyssop is an attractive flowering herb commonly grown for its flavorful leaves. Growing a hyssop plant is easy and makes a lovely addition to the garden. The spikes of blue or pink flowers are great for attracting important pollinators to the landscape as well. Hyssop is a brightly coloured shrub or subshrub, the stem is woody at the base, from which grow a number of straight branches.

Common problems with Blue Hyssop

Generally problem free.

    How to harvest Blue Hyssop

    Under conditions, herb hyssop is harvested twice yearly, once at the end of spring and once more at the beginning of autumn. The plants are preferably harvested when flowering in order to collect the flowering tips.

    How to propagate Blue Hyssop


    Sow seeds in trays or directly in situ 8 to 10 weeks before the last frost. Plant hyssop just beneath the soil’s surface. Seeds usually take 14 - 21 days to germinate.

    Special features of Blue Hyssop

    Attractive flowers

    During the summer, the plant produces bunches of pink, blue, or, more rarely, white fragrant flowers. These give rise to small oblong achenes.

    Attracts useful insects

    Other uses of Blue Hyssop

    Can grow on walls or found on banks. Attracts humming birds in suitable geographical locations.


    It is commonly used as a medicinal plant due to its properties as an antiseptic, cough reliever, and expectorant.


    Dried Hyssop leaves can be founs in Za’atar a famous Middle Eastern herbal mix and in sumac.

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    Love purple flowers and looking for summer inspiration.

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    Aconitum spp.

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