The memory herb — a tender perennial to overwinter indoors
| Family | Lamiaceae (mint family) |
| Hardiness zone | 8-10 (grow in a pot, overwinter indoors on the prairie) |
| Sun | Full sun, 6+ hours |
| Water | Let dry between waterings — hates wet feet |
| Soil | Gritty, sharp-drained, slightly alkaline |
| Spacing | One plant per 20-30 cm pot |
| Sowing / starting | Buy a plant or root cuttings; seed is slow and erratic |
| Harvest | Snip sprigs anytime; never take more than a third at once |
| Common pests | Powdery mildew and root rot from overwatering indoors; spider mites in dry heat. |
Plant identification here is educational — never eat, forage, or medicate with a wild plant on the basis of a website alone. Many edible plants have toxic look-alikes. When in doubt, grow from known seed, or confirm with an expert before you harvest.