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Lemon – Citrus x limon

Lemon

Citrus x limon
refreshing revitalization for the dark season
Edible value9Medicinal value8Other uses7
Shrub6×4 mzone 10–12full sun🍎 Edible

Will it grow where I live?

Lemon is not winter-hardy in Central Europe (zone 10): outdoors from spring to autumn only, otherwise a container plant overwintered frost-free. It also needs warm summers – in Central Europe that means wine-growing regions, cities or a sheltered south-facing wall.

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
Rutaceae
Habit
Shrub
Height
6 m
Spread
4 m
Growth
medium
Lifespan
70 years
First yield
after 6 years
Yield per plant
up to 100 kg a year
Yield in cultivation
up to 20 t/ha
Energy yield
400 kcal per m² a year
Hardiness
zone 10–12
Shade tolerance
full sun
Soil
Sand, Silt, Loam
Soil moisture
dry – very moist
pH
5.5 – 6.5
Synonyms
Citrus × limon, Lemon-tree, Mandarin lime
evergreenthornyscentednectar sourcepollen source

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.

Varieties (13)

13 varieties of Lemon are listed in the Permaplans variety finder — each with its own page: taste, ripening time, disease resistance, parentage and use.

Uses

Edible9 of 10
Medicinal8 of 10
Other uses7 of 10

Edible: Fruits are utilized in beverages for their sour taste and to flavor foods, containing essential oils in the skin. They can also be used in salad dressings and preservation. Yields can reach 10–40 tons per hectare, offering around 400–1600 calories per square meter. Dried leaves are employed to add flavor to tea.

Medicinal: Fruit juice has antibacterial properties, is highly alkalizing, and packed with vitamin C. It can assist with sore throats, fever (e.g., in malaria), rheumatic diseases, varicose veins, bruises, and enhances tanning. The essential oil derived from the fruit is stimulating and is known for its refreshing qualities in aromatherapy. The stem bark of the fruit is bitter, provides strength, and aids digestion.

Other uses: Use seed oil soap, dried fruit peel with 0.4% oil and aroma, insect repellent, fruit juice, and skin and hair wash for polishing bronze and metals, removing stains, bleaching, and caring for wood.

Notable

Special features: roots 1-2m deep, so plant early enough in a deep pot (pot culture): in winter between 4-10°C, in summer sunny and sheltered from the wind; water abundantly, allowing the root ball to dry out in between; indoor cultivation must be pollinated by hand; fruit ripens after 4-12 months, can remain ripe for another 6 months.

Origin & habitat

The plant's original habitat is unknown, but it is likely a hybrid of C. limon x C. sinensis.

Riverbanks, sand, open forests, forest edges, and rocky slopes are impacted by erosion.

Frequently asked questions

Lemon: how big does it get?

Lemon (Citrus x limon) grows as a Shrub and reaches roughly 6 m in height when mature, with a spread of about 4 m. Growth is medium.

Lemon: what site does it need?

Lemon tolerates full sun. Suitable soils are Sand, Silt, Loam. Soil moisture should be in the range dry – very moist. The pH may lie between 5.5 and 6.5.

Lemon: is it hardy?

Lemon is listed as hardy in zone 10–12 and survives normal winters outdoors there.

Lemon: will it grow in Central Europe?

Lemon is not winter-hardy in Central Europe (zone 10): outdoors from spring to autumn only, otherwise a container plant overwintered frost-free. It also needs warm summers – in Central Europe that means wine-growing regions, cities or a sheltered south-facing wall.

Lemon: when does it flower?

In a temperate northern-hemisphere climate it flowers from April to October.

Lemon: when is it harvested?

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

Lemon: when does it start cropping, and how much?

Lemon first crops after 6 years. A mature plant gives up to 100 kg a year, in cultivation up to 20 t per hectare. Figures assume a good site; variety, soil and climate shift them considerably.

Lemon: is it poisonous?

No toxicity is recorded for Lemon. With wild plants, never rely on a database alone — only on a confident identification.

Lemon: what is it used for?

Rated on a scale up to 10: Edible 9/10, Medicinal 8/10, Other uses 7/10.

Which Lemon varieties are there?

The Permaplans variety finder lists 13 varieties of Lemon, including Bearss, Eureka, Femminello Siracusano, Fino, Genoa, Interdonato, Lisbon, Meyer, Monachello, Sfusato Amalfitano, Verna, Villafranca and 1 more. Each variety has its own page with taste, ripening time, disease resistance and parentage.

Community experience

No first-hand reports for this plant yet.

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