Hyssop

Hyssop Care

Hyssopus Officinalis

What is the plant

Hyssop (Hyssopus officinalis) is a beautiful, well-behaved, easy-to-grow member of the mint family that deserves a place in any herb garden. Older plants form neat, rounded bushes 1 to 3 feet high; younger plants are looser in form. The stiff, erect, typically square stems bear opposite, linear, medium green leaves 1 to 1 1/2 inches long. Tufts of smaller leaves are borne in the leaf axils. Plants are evergreen where winters are mild. Clusters of six to fifteen violet-blue, pink, or white flowers in the upper leaf axils form dense spikes. The two-lipped, tubular corolla is 1/2 inch long and has four protruding stamens that match it in color. The calyx is tubular with five teeth. Plants bloom from summer to fall.

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Humidity

Normal

Lighting

Full Sun

Temperature

5°C - 20°C

Hardiness zone

min 3a

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
The hyssop rather prefers dry soils: water mainly just before planting, during very hot periods, and of course if you are growing yours in a pot.
Pruning
You can pick the leaves all throughout spring and summer according to your needs. Preferably choose the largest leaves by cutting the entire stem to encourage new shoots to sprout.
Sunlight
Direct sunlight may slow its growth, and growing it in full sun will require more watering.

Disease diagnosis

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Soil
Hyssop thrives in light soil with good drainage.
Temperature
A very cold-hardy plant, when dormant it can tolerate temperatures down to about -25°c
Additional
Volatile oil can cause convulsions. Avoid with epilepsy of fits. Diarrhoea and indigestion rare