Side by side
Pick two or three seeds to see how they grow, side by side: sprouting, spacing, sun, water, frost and pet safety in one table.
Comparing Rosemary vs. Lemon Balm
The comparison
| Fact | | |
|---|---|---|
| Difficulty | Challenging | Easy |
| Life cycle | Perennial | Perennial |
| Germination time | 14–21 days | 7–14 days |
| Germination temperature | Not yet verified | 18–21 °C64–70 °F |
| Spacing between plants | Not yet verified | 46–61 cm1½–2 ft |
| Sun | Full sun | Full sun, partial shade |
| Containers | Yes | Yes |
| Frost tolerance | Not yet verified | Hardy |
| Toxicity to cats | Non-toxic | Non-toxic |
| Toxicity to dogs | Non-toxic | Non-toxic |
| Links |
Up close
What each one is, in a few lines, with the full growing guide one click away.
HerbsSalvia rosmarinus
An evergreen, sun-loving Mediterranean shrub that grows well in a pot. Rosemary seed is slow and erratic to germinate, so it's much quicker to start from a plant or a cutting.
How to grow rosemaryHerbsMelissa officinalis
Lemon balm is a bushy, lemon-scented perennial herb in the mint family that can be started from seed in full sun to partial shade. Its spreading habit means it is best grown in a container.
How to grow lemon balmKeep comparing
Add a third seed, or swap one for a close relative from the same category.
Rosemary vs. Lemon Balm vs. BasilAdd basil as a third
Rosemary vs. Lemon Balm vs. Bee BalmAdd bee balm as a third
Rosemary vs. Lemon Balm vs. BorageAdd borage as a thirdRosemary vs. BasilRosemary against another herbLemon Balm vs. BasilLemon Balm against another herbRosemary vs. Bee BalmRosemary against another herbThe table, row by row
Every row is a fact from each seed's own profile, lined up so the differences stand out.
Germination time and temperature
How many days the seeds take to sprout, and the temperature range they sprout in.
Sowing depth and spacing
How deep to sow each seed and how far apart the plants should grow. “On the surface” means the seed isn't covered.
Days to maturity and life cycle
How long until the plant is ready, counted from sowing or from transplanting (each value says which). Annuals live one year, biennials two, perennials longer.
Sun and water
Full sun means 6 or more hours of direct sun a day, partial shade a few hours. Water needs are rated low, moderate or high.
Containers, frost tolerance and soil pH
Whether it grows in a pot, with the smallest pot when it's known. Frost tolerance runs from tender (no frost) to hardy. Soil pH 7 is neutral.
Toxicity to cats and dogs
Whether the plant is toxic to cats and dogs.
Quick wins
Days from sowing until the first shoots appear, in good conditions.
Pet friendly
Listed as non-toxic to both cats and dogs. Each seed's page has the details.
Not safe for pets: borage, buckwheat, caraway, carnation and 14 more.
Comparing
Each seed's page explains how to grow it from seed, with facts researched and reviewed by our editors.
