70days to harvest
10-14days to germinate
Z3–7USDA zones
Very easydifficulty
HeirloomContainer friendly

Sowing

Direct sow in spring after last frost or start indoors 6-8 weeks early. Can also propagate by division or cuttings.

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
1-2 inches per week, prefers consistent moisture
Soil
Adaptable to most soils, prefers rich, moist, well-drained soil
Soil pH
6.0-7.5
Spacing
18-24 inches
Height
2-3 feet
Season
Perennial

Appearance & flavour

Colour
Bright to medium green
Size
2-3 inch heart-shaped leaves
Shape
Heart-shaped leaves with serrated edges and prominent veining
Flavour
Strong lemon scent and flavor with minty undertones, refreshing and citrusy

In the kitchen

Herbal tea, fruit salads, desserts, fish dishes, aromatherapy, potpourri, insect repellent

Pests, disease & resistance

Pests
Aphids, spider mites, generally pest resistant due to strong scent
Diseases
Powdery mildew, root rot in waterlogged soil
Resistance
Generally disease resistant, can suffer from powdery mildew in humid conditions

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
3April – MayJune – July—July – October
4March – AprilJune – July—July – October
5March – AprilMay – June—June – October
6March – AprilMay – June—June – November
7February – MarchApril – June—June – November

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

TomatoesLemon balm repels aphids, whiteflies, and hornworms that commonly attack tomatoes
CabbageDeters cabbage moths, flea beetles, and other brassica pests
BroccoliRepels cabbage worms and attracts beneficial insects that prey on brassica pests
SquashHelps repel squash bugs and cucumber beetles while attracting pollinators
RosesDeters aphids and Japanese beetles, while attracting beneficial predatory insects
CarrotsRepels carrot flies and other root vegetable pests
LettuceProvides natural pest control against aphids and leaf miners
BeansAttracts beneficial insects and may help deter bean beetles

Avoid

MintBoth are aggressive spreaders that compete for space and resources
BasilCan be inhibited by lemon balm's strong allelopathic compounds
ParsleyGrowth may be stunted due to lemon balm's competitive nature and chemical secretions

Nutrition (per 100 g)

Calories (per 100 g)
22
Protein (g)
0.35
Fat (g)
0.24
Carbohydrate (g)
6.9
Fibre (g)
0.3
Sugars (g)
2.52
Vitamin A (µg)
0
Vitamin C (mg)
38.7
Vitamin E (mg)
0.15
Vitamin K (µg)
0
Vitamin B6 (mg)
0.046
Folate (µg)
20
Calcium (mg)
6
Iron (mg)
0.08
Magnesium (mg)
6
Phosphorus (mg)
8
Potassium (mg)
103
Zinc (mg)
0.05
Selenium (µg)
0.1

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the herbs growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Lemon Balm?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other herbs with a comparable time to harvest, so a season that suits Lemon Balm suits these too.

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