The illustrated growing guide
Hyssop
Hyssopus officinalis
Family Lamiaceae
Est. zones 4-9
An ancient monastery-garden herb — a neat, semi-evergreen subshrub with spikes of blue (or pink or white) flowers that bees and butterflies swarm, a favorite honey-forage plant. The minty-bitter leaves make a traditional tea and season rich dishes and liqueurs. Drought- and deer-proof, it makes a lovely low hedge along a path. Use it culinarily in moderation; the concentrated oil is strong.
Full Sun
Low water
Moderate growth
Attracts butterflies
Attracts beesI
Overview
Will hyssop suit your garden, and what goes wrong.
Will it fruit where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what hyssop actually needs.
Hardy inZones 4-9Hyssop at a glance
Common hyssop problems
- Almost none
- Root Rot in wet clay
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Growing
Light, water, soil, propagation and the season’s jobs.
How to grow hyssop: light, water & soil
How to plant & propagate hyssop
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The year
What hyssop asks for, month by month.
The hyssop year, month by month
BloomWhat each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
The hyssop year as text
- Jan quiet month
- Feb quiet month
- Mar quiet month
- Apr quiet month
- May quiet month
- Jun bloom
- Jul bloom
- Aug bloom
- Sep quiet month
- Oct quiet month
- Nov quiet month
- Dec quiet month
These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.
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Ecology & uses
What it does for the garden, and what it is grown for.
Hyssop in the garden system
- Herbaceous layer perennial
- Nectary/insectary
What hyssop is grown for
✓ Commonly eatenSafe in culinary amounts; essential oil is strong — not for internal use in quantity or in pregnancy
Harvesting & storing hyssop
Leaves and flowers for tea and as a minty-bitter culinary herb; a traditional medicinal.
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
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Cultivars
Named varieties of hyssop, ruled as a catalogue.
Best hyssop varieties & cultivars
'Blue' (the classic), 'Roseus' (pink), 'Albus' (white)
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Sources & plant ID
Where the care distinctions come from, and how the plant is filed.
Research basis
Sources behind this profile
No extension citations are attached to hyssopyet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
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Where to buy
Third-party nurseries — not Story Thyme Farms.
Third-party nurseries, not Story Thyme Farms. Prices are theirs.
Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.
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Questions
Hyssop questions, answered straight.
Is hyssop safe for kids and pets?
Hyssop is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. One caveat on this one: Safe in culinary amounts; essential oil is strong — not for internal use in quantity or in pregnancy. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
When do you harvest hyssop?
Leaves and flowers for tea and as a minty-bitter culinary herb; a traditional medicinal.
How do you propagate hyssop?
Division or seed.
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Elsewhere
Where hyssop sits in the library.
Comfrey
Lavender
Rosemary
Anise Hyssop