It's hot this weekend - after a brief first Spring we are skipping second Spring and going straight to Summer. It's beautiful, blue and hot and today, at least, the poison wind seems to have died down. I've spent the morning ripping up all the weeds that appear to have exploded in the last week. …
Last edited on 28 Oct 2026. View history
Lemon Balm
How to sow lemon balm: Direct seed indoors, transplant seedlings outside after hardening off.
Sun requirement for lemon balm: Plant in Partial Sun
Lemon Balm is a perennial herb in the mint family that flowers during the summer and gives off a strong lemon scent. In hot climates, a little shade can be beneficial, helping the plant to produce larger and more flavorful leaves. Lemon Balm is used in teas, salads, as an ornamental, and in aromatherapy. Like mint, Lemon Balm can aggressively spread throughout the garden - planting it in a container can keep this in check.
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- seed packet
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Who's planted lemon balm
- piranha Front Garden · East Coast, Central...
- Skud Thornbury side garden · Ballarat, Victoria,...
- lunitaire Garden
- shiny South garden · Wellington, NZ
- futuransky potted herb garden · Takoma Park, MD
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Ecological requirements
Data from the FAO EcoCrop database for Melissa officinalis L.
| Family / Taxonomy | Magnoliopsida Asteridae Lamiales Labiatae |
|---|---|
| Optimal temperature | 14 - 25 °C |
| Absolute temperature | 6 - 30 °C |
| Killing temperature | growth: 0 °C, rest: -20 °C |
| Optimal rainfall | 800 - 1000 mm/year |
| Absolute rainfall | 500 - 1300 mm/year |
| Optimal soil pH | 5.0 - 6.0 |
| Absolute soil pH | 4.5 - 7.8 |
| Crop cycle | 60 - 140 days |
| Max altitude | 2000 m |
| Life form | herb |
| Life span | perennial |
| Habit | erect, prostrate/procumbent/semi-erect |
| Optimal soil depth | medium (50-150 cm) |
| Optimal soil texture | medium |
| Optimal soil fertility | moderate |
| Optimal soil drainage | well (dry spells) |
| Optimal soil salinity | low (<4 dS/m) |
| Photoperiod | long day (>14 hours) |
| Optimal light | very bright |
Learn more about lemon balm
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