Key lime
8
5
4Will it grow where I live?
Key lime is not winter-hardy in Central Europe (zone 9): outdoors from spring to autumn only, otherwise a container plant overwintered frost-free. The summer heat it needs to ripen is out of reach outdoors in Central Europe – greenhouse or conservatory.
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Profile
- Family
- Rutaceae
- Habit
- Shrub
- Height
- 5 m
- Spread
- 3.5 m
- Growth
- medium
- Lifespan
- 50 years
- First yield
- after 3 years
- Hardiness
- zone 9–13
- Shade tolerance
- full sun
- Soil
- Sand, Silt, Loam, Clay
- Soil moisture
- dry – moist
- pH
- 5.5 – 7
Uses
Frequently asked questions
Key lime: how big does it get?
Key lime (Citrus x aurantiifolia) grows as a Shrub and reaches roughly 5 m in height when mature, with a spread of about 3.5 m. Growth is medium.
Key lime: what site does it need?
Key lime tolerates full sun. Suitable soils are Sand, Silt, Loam, Clay. Soil moisture should be in the range dry – moist. The pH may lie between 5.5 and 7.
Key lime: is it hardy?
Key lime is listed as hardy in zone 9–13 and survives normal winters outdoors there.
Key lime: will it grow in Central Europe?
Key lime is not winter-hardy in Central Europe (zone 9): outdoors from spring to autumn only, otherwise a container plant overwintered frost-free. The summer heat it needs to ripen is out of reach outdoors in Central Europe – greenhouse or conservatory.
Key lime: is it poisonous?
No toxicity is recorded for Key lime. With wild plants, never rely on a database alone — only on a confident identification.
Key lime: what is it used for?
Rated on a scale up to 10: Edible 8/10, Medicinal 5/10, Other uses 4/10.
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