Microgreen SeedHSC-MIC-070-1OZ
Melissa officinalis
26 - 30Days to maturity

A seed worth growing

Lemon Balm Microgreen Seed

Item #HSC-MIC-070-1OZ

About this variety

Fine, glossy little leaves with a clean lemon taste.

Lemon balm microgreens bring a bright citrus note to the plate and the glass. The tiny, glossy leaves are delicate in texture, so they work best as a finishing touch on desserts, fruit salads, cocktails and iced drinks.

This is a slow microgreen: expect roughly 26–30 days from sowing to harvest, compared with 10–15 days for fast crops. The seed is very fine, so sow thinly and evenly. Lemon balm germinates best with some light, so cover the seed barely, if at all, and keep the surface moist.

Grow it in shallow trays of potting mix or a soilless medium under cover, water from below, and keep air moving to avoid damping-off. Harvest with scissors when the seed leaves are fully open or the first true leaves appear, typically at 1/2–2" tall. Chilled, the greens keep about 5–10 days. Open-pollinated seed, suitable for soil, soilless and hydroponic tray growing.

Specs

  • Days to harvest as a microgreen: 26–30
  • Average 751,500 seeds per lb.

In stock — 1 Ounce

Current price $14.29

Know before you sow

Quick Facts

Growing times vary with weather, soil and local conditions.

Growing guide

From seed to harvest

Sow

Scatter seed thinly over moist mix in shallow trays, press it in and cover barely, if at all; a humidity dome helps.

Water and warmth

Water from below or mist. Keep the mix near 75°F until sprouting, then about 60°F; never let it dry out.

Light and airflow

Give strong light once sprouted and keep air moving to prevent damping-off.

Harvest

Cut at 1/2–2" tall, about 26–30 days after sowing. Chill and use within 5–10 days; wash before serving.

Growing Information

Growing space

Grow under cover, in a greenhouse or on an indoor rack. Each crop has its own germination needs, but the method used for brassica microgreens works for most: fill shallow trays or open flats with potting mix or a soilless medium, scatter the seed densely and evenly (about 1/8–1/4" apart) and press it firmly onto the surface. Cover very lightly with mix or vermiculite, or just use a humidity dome. Seed can be germinated on heat mats, in germination chambers, or on greenhouse benches or floors.

Watering

Water from below or with a fine mist so the mix does not splash onto the seedlings. Keep the medium evenly damp and never let it dry out.

Temperature

Hold the medium at about 75°F (24°C) until the seeds sprout, then drop to around 60°F (16°C). Air temperatures of 65–75°F (18–24°C) suit most crops; above 75°F, disease pressure rises and germination can suffer.

Light

Add grow lights wherever daylight is weak, for example in a greenhouse during the short days of winter.

Feeding

Potting mix with some built-in fertility usually needs only plain water. Use a dilute fertilizer for media with no nutrients of their own, or for slow crops like lemon balm that can use up the available fertility before harvest. Mix fertilizer into the medium before sowing, or feed liquid fertilizer from below so no residue lands on the leaves.

Days to maturity

Depends on the crop, the growing conditions and the size you want. Fast crops are usually ready in 10–15 days and slower ones in 16–25 days; lemon balm is slower still, at about 26–30 days.

Disease

Because they are sown so thickly, microgreens are prone to damping-off and other problems linked to still air and waterlogged media. Keep air moving with horizontal fans, use clean media and water, and do not over-sow.

Harvest

Cut when the seed leaves are fully open, or as the first true leaves begin to show, depending on what your buyers want; most microgreens are cut at 1/2–2" tall. Use scissors or a sharp knife and handle the greens as little as possible.

Storage

Properly chilled, microgreens keep about 5–10 days. Wash before serving.

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