Genus guide
Petrocosmea — 10 species
Part of the African violets & gesneriads family (Gesneriaceae)
All Petrocosmea species we cover
- Duclouxs Petrocosmea
- Forrests Petrocosmea
- Large-Flowered Petrocosmea
- Lesser Petrocosmea
- Petrocosmea iodioides
- Petrocosmea kerrii
- Petrocosmea nervosa
- Petrocosmea parryorum
- Rosette Petrocosmea
- Silky Petrocosmea
Petrocosmea — frequently asked questions
Are Petrocosmea plants toxic to cats and dogs?
Most Petrocosmea are pet-safe. Of the 10 Petrocosmea species we cover, 6 are non-toxic on the ASPCA list and 4 carry a toxic or mildly-toxic rating. Even so, confirm the individual species before trusting it around pets.
How much light do Petrocosmea plants need?
Most Petrocosmea do best in medium indirect light. If yours stretches toward the window or loses its variegation it wants more light; scorched or bleached leaves mean it is getting too much direct sun.
Are Petrocosmea easy to care for?
Many Petrocosmea are beginner-friendly — they tolerate lower light and forgiving watering. Water to how fast the pot actually dries rather than a fixed calendar and most will thrive.
How many Petrocosmea varieties are there?
Growli's care library covers 10 Petrocosmea species and varieties — browse them all above. They share a similar light, water and soil pattern, so once you learn one Petrocosmea, the rest follow closely.
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