Common, Lemon Balm Seeds

Common Lemon Balm Seed

Bright lemon fragrance releases from every brushed leaf
Easy perennial tolerates partial shade and poorer ground
Fresh leaves brighten teas, desserts, and drinks
Pollinator-friendly flowers support beneficial garden visitors

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Key Attributes

Botanical Name

Melissa officinalis

Days to maturity

90 Days

Sun

Partial

Packet

500 Seeds

Zones 3–7 Check your growing zone

About Common, Lemon Balm Seed, Lemon Balm Seed

Common lemon balm is a fragrant herb prized for bright, lemon-scented leaves and a wide range of culinary and traditional uses. Fresh leaves add a gentle citrus flavor to teas and foods and provide a calming aroma in sachets and baths. Easy to grow in garden beds or containers, this versatile herb is both practical and attractive. Harvest leaves throughout the season for the freshest fragrance and flavor.

Growing details

Planting

Sow Depth

1/8"

Days to Germination

7–21 days

In-row plant spacing

18-24"

Plant profile

Life Cycle

Perennial

Hardiness Zone

Zones 3-7

Plant Height

24 inches

Growth Habits

Spreading, Upright

Seed & variety

Seeds Per Ounce

40,000

Seed Type

Open Pollinated

Before Planting

A successful Lemon Balm planting begins with a full-sun to lightly shaded site with fertile, well-drained soil that retains moderate moisture. Work compost into the bed and prepare a fine, weed-free surface for the usually small seed. Plan convenient irrigation, and use containers or barriers before planting if lemon balm may spread aggressively.

Planting

Sow lemon balm indoors several weeks before the last frost or direct sow when the crop’s preferred soil temperature is reached. Maintain even surface moisture through germination, especially for fine or slow seed. Give indoor seedlings strong light, harden them before transplanting, and thin direct-sown plants after true leaves appear. Repeat sowings where young leaves are harvested continuously.

Watering

Lemon Balm grows best with even moisture. Water deeply during dry periods, allowing only slight surface drying between applications, and ensure containers or beds drain freely.

Fertilizer

Lemon Balm benefits from moderate feeding when repeatedly harvested. Apply diluted balanced fertilizer or compost between cuttings, following label rates and avoiding soluble-salt buildup.

Harvesting

Clip lemon balm during the cool morning when foliage is dry and aromatic oils are concentrated. Harvest leaves before full bloom, leaving enough healthy growth for the plant to recover.

Tips

Lemon Balm can spread aggressively by roots or seed. Confine it to a dedicated bed, deadhead before seeds mature, and remove wandering shoots before they become established.

Pests & Diseases

Lemon balm may develop powdery mildew, rust, Septoria leaf spot, or root rot. Cut diseased foliage to the base and allow clean regrowth rather than harvesting blemished leaves. Thin self-sown colonies, remove rusted residue, and relocate clumps that repeatedly decline in heavy, wet soil.

Monitor lemon balm for aphids, mites, whiteflies, leafminers, and slugs. Remove badly infested stems, maintain weed control, and select treatments labeled for edible herbs when intervention is necessary.