Dahlia
Dahlia x hortensis · Dahlias · Aster family
Also known as: Garden Dahlia
Medium40–120cmNot pet-safe
Dahlia care at a glance
Dahlia (Dahlia x hortensis) needs a moderate amount of water and prefers to grow in full sun.
- Water need
- Medium
- Light
- Full sun
- Soil moisture
- Evenly moist
- Nutrients
- High
- Life cycle
- Perennial
Pests, Diseases, Toxicity & Weather on Dahlia
Common pests on Dahlia include Slugs and snails. Also possible: Aphids, Earwigs, Spider mites and Capsid bugs. A common disease is Basal rot. Also possible: Powdery mildew, Grey mould and Mosaic virus. Dahlia is mildly toxic to cats and dogs.
Pest
- Slugs and snails High
- Aphids Medium
- Earwigs Medium
- Spider mites Medium
- Capsid bugs Medium
- Caterpillars Medium
Disease
- Powdery mildew Medium
- Grey mould Medium
- Basal rot High
- Mosaic virus Medium
Toxicity
- General GI irritation Low
Weather
- Frost damage High
A baseline from curated sources, not a command. You decide in the end.
Frequently asked questions about Dahlia
- Which pests affect Dahlia?
- Common pests on Dahlia include Slugs and snails. Also possible: Aphids, Earwigs, Spider mites and Capsid bugs.
- Which diseases affect Dahlia?
- A common disease is Basal rot. Also possible: Powdery mildew, Grey mould and Mosaic virus.
- Is Dahlia toxic to cats and dogs?
- Dahlia is mildly toxic to cats and dogs.
- How much water does Dahlia need?
- Dahlia has a moderate water requirement.
- What light does Dahlia need?
- Dahlia prefers to grow in full sun. Around 6 hours of light per day is ideal.
- Is Dahlia frost-hardy?
- Dahlia is not frost-hardy.