Betonica officinalis
Betony
Common names: Wood betony, Bishop's wort
At a glance
- Light
- Full sun
- Spacing
- 30 cm, rows 40 cm
- Lifespan
- Perennial
- Sowing
- Mar, Apr, May, Sep
- Harvest
- Jun–Aug
- Hardiness
- Hardy down to −25 °C
- Water need
- Low
- Origin
- Native to Germany
Photo: Radio Tonreg from Vienna, Austria · CC BY 2.0 · Source
Description
Betonica officinalis, commonly known as betony, is a native meadow perennial of the mint family that thrives on dry, sunny sites such as dry meadows and open woods. From June to August it displays vigorous, densely packed purple flower spikes above a sturdy basal leaf rosette. The plant is valued in traditional folk medicine, though it has no modern pharmaceutical approval. Bees, bumblebees, and butterflies are attracted to its flowers, making it a valuable addition to naturalistic garden settings. The plant is non‑poisonous and well suited for wildflower beds, rock gardens, and pollinator meadows.
Care instructions
Betony prefers a dry to moderately fertile soil and tolerates drought well once established. Water young plants regularly; mature clumps can survive long dry spells with occasional watering. After flowering, cut back spent spikes to promote a compact form and sometimes a second bloom. In autumn, leave the foliage to provide winter shelter for insects; remove it in spring before new growth. Divide older clumps every few years in spring to keep the plant vigorous.
The care notes were machine-translated from German.
Garden year
SowingMar–May, Sep
HarvestJun–Aug
Germination
- Soil temperature
- from 10 °C, ideally 18 °C
- Days to sprout
- 14 to 28 days
- Light
- Needs light to sprout
- Sowing depth
- Press in, don't cover
- How to start
- Start indoors, then plant out
Soil & site
Soil pH
Soil type
well-drained, humus-rich, lean
Betony likes free-draining, rather poor soils and does best in a slightly acidic to neutral environment. On heavy, waterlogged soils it quickly ails, so loosen the soil thoroughly before planting and mix in sand if needed. A sunny spot with poor to moderate nutrient levels comes closest to its natural habitat in meadows and verges.
Feeding
Light feeder
As a light feeder from poor meadow sites, betony needs hardly any feeding. A thin layer of mature compost in spring is quite enough to supply it through the season. Soils that are too rich in nutrients lead to soft, ailing growth rather than stronger plants.
Overwintering
Betony is hardy and comes through German winters in the open ground without trouble. You cut the stems back in autumn or only in early spring; the foliage offers insects shelter over winter. A mulch layer is not necessary on free-draining soils; on heavy soils it additionally protects against waterlogging.
Propagation
Methods
- From seed
- Division
The easiest propagation is by division in spring or autumn, when the clumps become denser after a few years. You dig up the plant, divide the root ball into strong pieces with several shoots and replant them straight away. Sowing is also possible, but betony germinates unevenly and, as a cold-stratification seed, needs a cold phase. The most reliable approach is to sow directly into the open ground in autumn, or to stratify the seed in the fridge before sowing in spring.
Companion planting
Good neighbors
nightshade family (Solanaceae)
particularly well establishedYou will find that basil next to tomato and pepper improves taste and keeps whiteflies and aphids away.
For example PotatoTomatoSweet pepperCocktail tomatoEggplantCape gooseberry and 14 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
cabbage family (Brassicaceae)
You will notice that the intense scent of basil, thyme, and others confuses the cabbage whitefly and keeps it away from the cabbage family.
For example White cabbageKohlrabiRadishKalebroccolicauliflower and 41 more species in the catalogue
Source: bio-gardening intercropping practice
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Some of these explanations were machine-translated.
For your garden
Grow Betony yourself
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