Permaplans
Deutsch
All plants
Italian buckthorn – Rhamnus alaternus

Italian buckthorn

Rhamnus alaternus
A sea of blossoms on dry land.
Medicinal value1Other uses3
Shrub5.5×5 mzone 7–9partial shade

Will it grow where I live?

Italian buckthorn is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.

Or check it for your location right here:

Winter hardiness by USDA zone, summer warmth by heat sum – the same values the app and the plant finder use.

Profile

Family
Rhamnaceae
Habit
Shrub
Height
5.5 m
Spread
5 m
Growth
fast
Lifespan
75 years
First yield
after 3 years
Hardiness
zone 7–9
Shade tolerance
partial shade
Soil
Sand, Silt, Loam
Soil moisture
dry – very moist
pH
6 – 8.5
evergreensuitable for hedgesthorny

Flowering & harvest

J F M A M J J A S O N D
Flowering
Fruit harvest

Times apply to the northern hemisphere in a temperate climate and shift with altitude and cultivar.

Uses

Medicinal1 of 10
Other uses3 of 10

Origin & habitat

Mediterranean countries to Asia Minor, Central Asia, Afghanistan, North Africa, Southwest Asia

Trockene Heiden und Hänge, lichte Wälder, Gebüsche, Macchien, Garrigues

⚠️ Hazards

Although no specific mention of toxicity has been found for this species, there is a suspicion that some members of this genus may be mildly toxic.

This is no substitute for expert identification. When in doubt, do not eat it.

Frequently asked questions

Italian buckthorn: how big does it get?

Italian buckthorn (Rhamnus alaternus) grows as a Shrub and reaches roughly 5.5 m in height when mature, with a spread of about 5 m. Growth is fast.

Italian buckthorn: what site does it need?

Italian buckthorn tolerates partial shade. Suitable soils are Sand, Silt, Loam. Soil moisture should be in the range dry – very moist. The pH may lie between 6 and 8.5.

Italian buckthorn: is it hardy?

Italian buckthorn is listed as hardy in zone 7–9 and survives normal winters outdoors there.

Italian buckthorn: will it grow in Central Europe?

Italian buckthorn is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.

Italian buckthorn: when does it flower?

In a temperate northern-hemisphere climate it flowers in May.

Italian buckthorn: when is it harvested?

In a temperate northern-hemisphere climate the fruit ripens in April.

Italian buckthorn: is it poisonous?

Individual parts of Italian buckthorn are noted as mildly problematic — the plant does not count as poisonous. With wild plants, never rely on a database alone, only on a confident identification.

Italian buckthorn: what is it used for?

Rated on a scale up to 10: Medicinal 1/10, Other uses 3/10.

Community experience

No first-hand reports for this plant yet.

Growing it? Write in the app what works for you – your post will show up here.

💬 Get the app and join in

Plan this plant into your own garden

Permaplans plans your garden to scale on the map — with a site check, harvest calendar and over 1,000 plants. Free for iPhone, Android, Mac, Windows & Linux.

Will this plant grow where you live? → Check your site

All data without warranty. Site data and texts from the Permaplans database.

Start your garden

Try it for free — right in your browser, no sign-up.

Open in the browserGet the app