How to Grow Lemon Trees

General Information

Botanical Name:

Citrus limon

Common Names:

Lemon, Lemon Tree

Plant Family:

Rutaceae

Type:

Evergreen; Fruit

Our Favorite Varieties:

Meyer, Eureka, Lisbon, Ponderosa

Know Before You Grow

Growing Zones:

9–11 (can be grown in containers in colder zones)

Frost Hardy:

No (sensitive to freezing)

Heat Tolerant:

Yes

Chill Hours:

Not required

Pollination Needs:

Self-fertile

Rootstock:

Often grafted for size control and disease resistance

Full Size:

8–20 feet depending on variety and pruning

Years to Produce:

2–4 years

In-Ground or Container:

Both; does very well in containers

Starting from Seed

When:

Anytime indoors

Stratification:

Not required

Scarification:

Not required

Soil

Well-draining citrus or potting mix

Depth:

½ inch

Water:

Keep evenly moist

Germination:

2–4 weeks

Up Pot:

When seedlings are established

Light:

Bright light or full sun

Soil Temperature:

70–85°F

Heat Mat:

Helpful

Harden Off:

7–10 days if moving outdoors

Planting Site Prep:

Soil:

Well-draining sandy or loamy soil

pH:

5.5–6.5

Drainage:

Critical; citrus does not tolerate wet roots

Sun:

Full sun (6–8+ hours)

Spacing:

Dwarf: 6–10 feet; semi-dwarf: 10–15 feet; standard: 15–20 feet apart

Hole Size:

2–3 times wider than root ball, same depth

Fertilizer/Feed:

Use citrus-specific fertilizer regularly during growing season

Compost:

Mix lightly if soil is poor

Mulch:

2–3 inches, kept away from trunk

Planting:

When:

Spring after danger of frost

How:

Plant at same depth as container; do not bury trunk

Depth:

Same as nursery depth; graft union above soil line

Spacing:

Dwarf: 6–10 feet apart; semi-dwarf: 10–15 feet apart; standard: 15–20 feet apart

Water:

Water deeply after planting

Mulch:

Apply 2–3 inches, keep 3–4 inches away from trunk

Staking:

May be needed for young trees

Growing Care

Fertilizer/Feed:

Feed regularly with citrus fertilizer during active growth

Water:

Keep evenly moist but not soggy; deep water during dry periods

Pruning:

Light pruning to shape and remove dead wood

Thinning:

Not usually required

Mulching:

Maintain mulch to retain moisture and protect roots

Pollination:

Self-fertile; indoor trees may benefit from hand pollination

Winter Protection:

Protect from frost; bring containers indoors or cover

Summer Protection:

Maintain moisture during extreme heat

Companions & Antagonists

Plant Family:

Antagonists:

Herbs, clover, pollinator plants

–

Attracts & Repels

Attracts:

Repels:

Bees, pollinators

Some insects due to strong citrus scent

Pests & Disease

Pests:

Disease:

Aphids

Root Rot

Scale

Citrus Canker

Spider Mites

Leaf Spot

Citrus Leaf Miner

–

Propagation

Seed:

Possible but not true to type

Cuttings:

Possible but less common

Grafting:

Standard method

Layering:

Occasionally used

Harvest Time

When:

Year-round in warm climates; peak seasons vary by variety

How:

Pick when fruit is fully yellow and slightly firm

What:

Fruit

Storing:

Store at room temperature short term or refrigerate

Preservation Methods:

Juicing, freezing juice, zesting, drying peel

Uses:

Culinary Uses:

Fresh juice, cooking, baking, drinks, zest

Medicinal Uses:

Vitamin C source, immune support

Wildlife Uses:

Minimal; mostly human use

Landscape Uses:

Ornamental evergreen tree, container plant

Wood Uses:

Minimal

Troubleshooting

Yellow leaves:

Overwatering, poor drainage, or nutrient deficiency

Leaf drop:

Stress from temperature changes or improper watering

No fruit:

Lack of light, nutrients, or immature tree

Fruit drop:

Stress or inconsistent watering

Root rot:

Soil too wet or poor drainage

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