Typha minima
Dwarf cattail
Common names: Dwarf reedmace, Small cattail
At a glance
- Light
- Full sun
- Pot size
- from 50 l
- Lifespan
- Perennial
- Flowering
- Jun–Aug
- Hardiness
- Hardy
- Origin
- Native to Germany
Photo: Hectonichus · CC BY-SA 3.0 · Source
This description was machine-translated.
Description
The dwarf cattail (Typha minima) is a compact version of the common cattail. It grows only 40 to 60 cm tall and, unlike its larger relatives, stays well contained in a pot or mini‑pond. From June to August it displays delicate, almost globular flower heads on narrow, grass‑like leaves, providing a pleasing contrast to broad‑leaf pond plants. It roots in shallow water or permanently wet bank soil and spreads aggressively via underground runners, but it does not become invasive.
Care instructions
Plant the dwarf cattail in a potting basket with loamy substrate and place it 5 to 15 cm below the water surface in a pond or container, ideally in mid‑May (week 20) when no night frosts are expected. It grows vigorously yet remains manageable in a pot; repot every three to four years to keep it healthy. The plant prefers full sun and consistently wet feet; never allow the water level to drop completely, especially in midsummer. Withered flower heads can be left in late autumn, they look attractive with frost and provide winter habitat for insects. In a container it can overwinter outdoors if the vessel is frost‑proof and kept deep in water or protected with fleece.
The care notes were machine-translated from German.
Garden year
FloweringJun–Aug
Soil & site
Soil pH
Soil type
moist, nutrient-rich, loamy, clayey
The dwarf bulrush likes best to stand with its roots permanently in water or wet mud, for example in a pond basket with 5 to 15 cm of water above the soil. A loamy to clayey, nutrient-rich substrate mix holds moisture well and gives the rhizomes support. Lime content hardly matters; more important is that the soil never dries out.
Feeding
Medium feeder
Months
Apr–Jun
One portion of ripe compost or pond soil when planting in spring is enough for the whole season. Between April and June you can work in some well-rotted compost into the substrate if needed; the undemanding bulrush needs no more. Excessive feeding leads to algae growth in the water rather than stronger growth.
Overwintering
The dwarf bulrush is hardy and survives the winter in the pond without problems, as long as the root ball does not freeze through completely. If it stands in a tub, it is best moved, frost-free, into a part of the pond with greater water depth, or placed in a sheltered spot near the house wall. In spring it reliably sprouts anew from the rhizome; cut the withered foliage back close to the ground then.
Propagation
Methods
- Division
- From seed
The easiest way to propagate the dwarf bulrush is by dividing the rhizomes in spring, as soon as new shoots are visible. To do so, separate a strong rhizome section with at least one shoot and set it directly into the moist substrate or into its own planting basket. Propagation from seed is possible, but takes much longer to the first flower and is rarely practical for the home garden. Within a few years the plant forms dense clumps by itself, which you can divide regularly if needed.
For your garden
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