Lemon

Citrus limon

Fruit Tree

About Lemon

The Lemon tree is an evergreen citrus tree cultivated worldwide for its acidic, aromatic fruit used in cooking, beverages, and cleaning products. It is one of the most cold-sensitive citrus species but can be grown in containers in cooler climates. Lemon trees bloom and fruit continuously in favorable conditions.

Quick Facts

Native Range

Northeast India, Myanmar, and China

Hardiness Zones

9-11

Mature Height

10-20 feet

Growth Rate

Moderate

Sun Requirements

Full sun

Soil Preference

Well-drained, slightly acidic sandy loam

How to Identify Lemon

Glossy, oval, evergreen leaves with a pointed tip
Fragrant white flowers often tinged purple on the outside
Oval yellow fruit with a prominent nipple at the tip
Thorny branches, especially on vigorous growth
Open, irregular canopy

Care Guide

Water deeply and regularly but avoid waterlogged soil
Fertilize every 4-6 weeks during the growing season with citrus fertilizer
Protect from frost and cold winds; bring container plants indoors below 50 degrees F
Prune to remove dead wood, water sprouts, and maintain shape
Watch for aphids, scale, spider mites, and citrus leafminer

Known Issues (1)

Citrus Greening (Huanglongbing / HLB)

CRITICAL

Disease

The most devastating disease of citrus worldwide, spread by the Asian citrus psyllid. There is no cure. It has caused billions of dollars in losses to the Florida citrus industry and threatens production in Texas, California, and other citrus-growing states.

Affecting 9 regions

Explore More on TreeIssues

Related Ailments

Fragilaria crotonensisOTHER Feather Boa KelpOTHER RockweedOTHER Giant KelpOTHER

Shaggy Mane Mushrooms Peak in October: What Homeowners Should KnowShaggy Mane fungi are hitting peak activity this October across 18 states. Here'...Ringless Honey Mushroom Is Peaking This October: What to Do NowRingless Honey Mushroom is at peak activity this October across 18 eastern state...Berkeley's Polypore in October: What Maple Owners Must KnowBerkeley's Polypore is hitting peak activity this October. Here's what to look f...