Lemon Balm

Growing lemon balm - standard airy substrate, exclusively sunny location, warmth, moderate watering

Growing Lemon Balm: Complete Care Guide

Lemon balm (Melissa officinalis) is an undemanding perennial herb that will reward you with its refreshing lemon scent and numerous healing properties. Successful cultivation requires meeting several basic conditions that ensure healthy growth and rich harvests.

Ideal Substrate for Lemon Balm

Lemon balm thrives in standard airy substrate with good drainage. The soil should be:

Well-permeable to prevent waterlogging
Rich in nutrients with sufficient organic matter content
Slightly alkaline to neutral (pH 6.5-7.5)
Loose and well-aerated to support root development

You can use quality universal potting soil enriched with compost or vermicompost. For container growing, add perlite or expanded clay to improve drainage.

Light Requirements: Exclusively Sunny Location

For optimal growth and maximum essential oil content, lemon balm needs an exclusively sunny location. Place it where it receives:

At least 6-8 hours of direct sunlight daily
Protection from strong winds that can damage tender leaves
Sufficient air circulation to prevent fungal diseases

In shaded locations, lemon balm grows more slowly and has lower aromatic compound content. South-facing positions are ideal, whether in the garden or on the balcony.

Temperature and Warmth

Lemon balm is a thermophilic plant that loves warmth. Ideal growing conditions include:

Daytime temperatures 20-25°C during the growing season
Tolerance of temperatures up to 30°C with sufficient watering
Frost resistance down to -15°C in winter (perennial plant)
Spring growth starts when temperatures rise above 10°C

In colder regions, protect young plants with mulch or fleece. Container-grown plants can overwinter in a cool, bright room.

Watering: Moderate but Regular

Moderate watering is key to success with lemon balm cultivation. Follow these principles:

Water regularly but avoid waterlogging
Let the soil surface dry slightly between waterings
Increase watering frequency during hot summer days
Reduce watering in autumn and winter
Water in the morning or evening, avoid wetting leaves

Lemon balm tolerates short periods of drought better than excess moisture, which can lead to root rot. The soil should be slightly moist but never waterlogged.

Additional Growing Tips

For healthy and productive lemon balm plants, also consider:

Fertilizing: Apply organic fertilizer or compost 2-3 times per season
Pruning: Regular trimming promotes bushy growth and prevents flowering
Harvesting: Cut leaves before flowering for maximum aroma
Propagation: Easy division of clumps in spring or autumn

With proper care and meeting basic requirements - airy substrate, sunny location, warmth and moderate watering - your lemon balm will provide abundant harvests of aromatic leaves throughout the season.

Growing Lemon Balm

Lemon balm is from the mint family and its Latin name is Melissa officinalis. It originates from the Orient and was brought to us centuries ago. It has earned a firm place in our gardens thanks to its many beneficial properties. Its fame was also spread by lemon balm liqueur. Lemon balm is a perennial herb and quickly grows to a height of up to 70 cm. The leaves give off an intense lemon scent. Lemon balm contains many essential oils, bitter substances and tannins. It grows primarily in sunny locations, but also thrives well in partial shade. It is recommended that the location be sheltered from wind. The soil must be humus-rich and well-draining.

Cultivation

In spring, seeds are sown in seed trays and placed in a warm location, ideally around 20°C. Since lemon balm germinates only after 3-4 weeks, we must arm ourselves with a bit of patience. Once it warms up a bit outside, the young plants can be transplanted. Because this perennial is quite large and spreads even more after cutting back, you can save yourself the effort of sowing and simply buy about two plants. Later it even self-seeds and can also be propagated by division. During growth it requires generous watering. However, in cold winters it must be covered.

Harvesting Lemon Balm

Tender stems and young leaves can be harvested continuously from spring to autumn. It is best to use lemon balm fresh, as it has the most fragrance and the highest content of valuable active substances. Anyone who would like to store lemon balm for winter should cut the foliage before flowering and dry it.