Aeonium
Aeonium arboreum
Also called Tree houseleek and Black rose
Houseplant · Succulents & cactiSleeps through summer and grows in winter — the opposite of nearly everything else here.
Care at a glance
- Ease
- Hard
- Water
- Once a fortnightSoak, then bone-dry — wait until the soil is dry right through — lift the pot, it tells you.
- Light
- Bright, some direct sun
- Feed
- Every 60 days
- Humidity
- Low
- Hardiness
- Tender — no frost at all RHS H2, to 1°C
- Size
- 1 m tall · 0.8 m across
- Lifecycle
- Shrub
- Origin
- Canary Islands
Is it safe for pets and people?
PetsNothing recorded against it
No animal-poison authority lists this plant either way.
PeopleNot checked yet
Nobody has checked this one against a source for us yet, so treat it as unknown rather than safe.
Checked against ASPCA and RHS on 2026-07-31. Where a source says nothing, we say nothing.
A guide, not veterinary or medical advice. If a pet or a person has eaten a plant and you are worried, call your vet or doctor now — don’t wait for signs to appear. Spotted a mistake? Tell us.
First signs of trouble
- The rosettes close into tight fists and the lower leaves peel back and drop in high summer — that is the rest, and watering into it rots the stem.Summer dormancy mistaken for dying · disorder