Calamagrostis pseudophragmites
Coastal small-reed · Coastal small reedgrass · Bluejoint
Description
Source: leafsnapCalamagrostis pseudophragmites is a species of grass in the genus Calamagrostis and the family Poaceae. It occurs along water, canals and rivers in Europe. It is a perennial species, blooming in June and July. The stem is smooth less hairy than the other species in the genus. This grass species grows up to 1.2 meters high, the leaves are approximately 6 mm wide/broad, and roll in their edges/margin. The spikelets in the over-hanging panicle are coloured violet, and the lower bract has a needle on it. The sepals/bracts are longer than those of the spikelets.
Care Guide
💧 Water
☀️ Light Full sun
Coastal small-reed is a sun-loving perennial herbaceous plant native to open habitats, where it often thrives in meadows and grasslands. It prefers full sun but can also tolerate partial sun conditions.
How much sunlight does the Coastal small-reed (Calamagrostis pseudophragmites) require?
The Coastal small-reed, botanically known as Calamagrostis pseudophragmites, thrives under different sun conditions. For 'Full sun,' it should receive above 6 hours of sunlight. Alternatively, 'Partial sun' conditions call for about 3-6 hours of sunlight. It's important to note how sunlight moves through your garden throughout the day. Ensuring you choose locations that offer the right balance of light and shade will significantly contribute to the happiness and health of your plants.
🌡️ Temperature 5–35°C
Coastal small-reed can tolerate a wide variety of temperatures, but its distribution can still be restricted by certain combinations of moisture and heat. It performs best in warm summers with adequate rainfall or watering. Extended periods of cloudy, rainy weather or prolonged high temperatures can increase the plant's risk of death. In winter, protecting it from cold improves its chances of survival.
💨 Humidity
🪴 Soil 5-7
🌱 Fertilizer
Coastal small-reed needs extra nutrients to encourage healthy new growth. In spring, applying compost around the plant’s base can effectively supply the nutrition it requires. Fertilizing helps support vigorous growth and boosts the plant’s resistance to diseases and pests.
🪴 Pot & Repot
✂️ Pruning
Pruning the coastal small-reed in early spring by cutting old growth down to ground level boosts the vigor of new shoots. This technique not only enhances the plant's appearance but also supports healthy growth by removing damaged foliage. Additionally, it encourages denser greenery, helps prevent overcrowding, and ensures robust plant development.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Grass
- Life Cycle
- Perennial
- Genus
- Calamagrostis
- Family
- Poaceae
- Hardiness Zone
- 4-9
- Mature Height
- 0.61 m to 1.22 m
- Mature Spread
- 30 cm to 61 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- Yellow, Purple, Brown
- Bloom Time
- Summer
- Planting Time
- Spring, Summer
- Harvest Time
- Late summer, Early fall, Mid fall