Dove Pincushions
Scabiosa columbaria · Lesser Scabious · Pigeon Scabious · Small ScabiousUSDA | Grow Zone
3-9Outdoors all year in zones 3 to 9. Anywhere colder, keep it as a houseplant. Protect it below 32°F.
- Light
- Full sun, 6 hours
- Water
- When top inch is dry
- Humidity
- 40-60%
- Temperature
- 60-75°F (15-24°C)
- Difficulty
- Beginner
- Growth
- Moderate
- Mature size
- 1-2 ft tall, 1-1.5 ft wide
- Pets
- Non-toxic to pets
Scabiosa columbaria, commonly known as Dove Pincushions, is a charming perennial native to Europe. Its unique pincushion-like flowers attract pollinators, making it a favorite among gardeners.
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Ideal temperature
60-75°F is where it grows fastest. Below 32°F cold damage starts.
Spacing and harvest
- Mature size
- 1-2 ft tall, 1-1.5 ft wide
- Plant apart
- 12-18 in
- Frost
- Half hardy: light frost only
Everything it needs
9 essentials at a glance
Watering
Scabiosa columbaria prefers well-drained soil and should be watered moderately.
Water the plant when the top inch of soil feels dry, typically every 1-2 weeks, depending on weather conditions. During hot summer months, you may need to increase watering frequency. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning leaf edges.
Light
This plant thrives in full sun, requiring at least 6 hours of direct sunlight daily.
Ideal placement includes a sunny garden bed or border. While it can tolerate partial shade, reduced light may lead to leggy growth and fewer blooms.
Soil
Scabiosa columbaria prefers sandy or loamy soil with good drainage and a pH range of 6.0 to 7.0.
A recommended potting mix includes a blend of potting soil, sand, and perlite to ensure proper drainage.
Humidity
This plant prefers average humidity levels of around 40-60%.
To increase humidity, you can mist the leaves or place a humidity tray nearby. Signs of humidity stress include crispy leaf edges and drooping foliage.
Temperature
Scabiosa columbaria thrives in temperatures between 60-75°F (15-24°C) and is hardy in zones 3-9.
It can tolerate light frost but may require protection in extreme heat or cold. Seasonal temperature fluctuations should be monitored to ensure optimal growth.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10, applying every 4-6 weeks during the growing season.
Reduce or stop fertilizing in fall and winter. Signs of nutrient deficiency include yellowing leaves and poor flowering.
Pruning
Prune Scabiosa columbaria in early spring to remove dead or damaged stems.
Use clean, sharp pruning shears for a clean cut. Deadheading spent flowers throughout the blooming season encourages more blooms and prevents self-seeding.
Repotting
Repot every 2-3 years or when the plant becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. To repot, gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation can be achieved through seeds or division.
For seeds, sow them in spring or fall, covering lightly with soil and keeping moist until germination. For division, carefully separate established plants in early spring or fall, ensuring each division has roots and foliage. Replant immediately in well-draining soil.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check soil moisture and reduce watering frequency. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Root rot
Why it happens
Poor drainage or excessive watering.
How to fix it
Ensure the pot has drainage holes, and allow the soil to dry out between waterings. If root rot is present, remove affected roots and repot in fresh soil.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a sunnier location to ensure it receives at least 6 hours of direct sunlight daily.
Wilting
Why it happens
Under-watering or extreme heat.
How to fix it
Check soil moisture and water thoroughly if the top inch is dry. Provide shade during extreme heat.
Poor flowering
Why it happens
Lack of deadheading or insufficient nutrients.
How to fix it
Regularly deadhead spent blooms and ensure proper fertilization during the growing season.
Care through the year
Spring
In spring, prune back any dead stems and fertilize with a balanced fertilizer to encourage new growth. Monitor for pests and diseases.
Summer
During summer, ensure consistent watering, especially in hot weather. Deadhead spent flowers regularly to promote continuous blooming.
Fall
In fall, reduce watering as the plant enters dormancy. Deadhead any remaining flowers and prepare for potential frost by covering or moving pots indoors.
Winter
In winter, protect the plant from extreme cold by mulching around the base. If grown in pots, consider bringing them indoors if temperatures drop significantly.
Toxicity & Safety
Scabiosa columbaria is considered non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal upset. Always monitor pets around plants.
Good to know
How often should I water my Scabiosa columbaria?
Water your Scabiosa columbaria when the top inch of soil feels dry, typically every 1-2 weeks. Adjust frequency based on weather conditions.
What type of soil is best for Scabiosa columbaria?
Scabiosa columbaria prefers sandy or loamy soil with good drainage and a pH of 6.0 to 7.0. A mix of potting soil, sand, and perlite is ideal.
Why are my Scabiosa columbaria leaves turning yellow?
Yellow leaves may indicate over-watering or nutrient deficiency. Check soil moisture and consider fertilizing with a balanced fertilizer.
Can Scabiosa columbaria tolerate shade?
While Scabiosa columbaria prefers full sun, it can tolerate partial shade. However, reduced light may lead to leggy growth and fewer blooms.
How do I propagate Scabiosa columbaria?
You can propagate Scabiosa columbaria through seeds or division. Sow seeds in spring or fall, or divide established plants in early spring or fall.
When should I prune my Scabiosa columbaria?
Prune Scabiosa columbaria in early spring to remove dead or damaged stems and encourage healthy growth throughout the growing season.
What are the signs of root rot in Scabiosa columbaria?
Signs of root rot include yellowing leaves, wilting, and a foul smell from the soil. Ensure proper drainage and reduce watering to prevent this issue.
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