Nepeta Mussinii
Nepeta Musinni Seeds — How to Grow Catmint
Low-growing, pollinator-loved perennial
Nepeta mussinii — commonly known as catmint — is a low-growing, aromatic perennial prized for its soft lavender-blue flowers, silvery foliage, and long flowering season. Easy to grow from seed, drought tolerant once established, and adored by bees, it’s a perfect plant for borders, gravel gardens, edging paths, and informal planting schemes in UK gardens.
What Is Nepeta mussinii?
Nepeta mussinii is a compact species of catmint, closely related to garden nepeta and catnip, but valued for its neat habit and reliable flowering rather than feline antics.
Key traits:
- Soft lavender-blue flower spikes
- Compact habit, typically 25–40cm tall
- Long flowering season from late spring to early autumn
- Drought tolerant once established
- Excellent ground cover and edging plant
- Extremely attractive to bees and pollinators
- Thrives in full sun and free-draining soil
How to Grow Nepeta mussinii from Seed
Sowing Nepeta Seeds
- Start seeds indoors March–April
- Sow thinly into seed trays or modules
- Lightly cover with compost or vermiculite
- Keep at 15–20°C until germination
- Germination typically takes 10–20 days
Potting On & Planting Out
- Prick out seedlings once they have true leaves
- Grow on in individual pots
- Harden off for 7–10 days
- Plant out after risk of frost has passed
Spacing
- Space plants 30–40cm apart
- Allows good airflow and encourages tidy mounds
How to Grow Nepeta mussinii from Seed
Growing On
- Prefers full sun but tolerates light shade
- Best in poor to moderately fertile, free-draining soil
- Avoid rich soil — too much fertility causes floppy growth
- Water well to establish, then only in prolonged dry spells
- Naturally compact; no staking required
Aftercare
- Shear plants back by one-third after the first flush of flowers
- This encourages fresh foliage and a strong second bloom
- Minimal feeding needed; a light spring feed is sufficient
- Cut back hard in autumn or early spring before new growth
FAQ — Nepeta mussinii
Nepeta mussinii is a compact species of catmint, closely related to garden nepeta and catnip, but valued for its neat habit and reliable flowering rather than feline antics.
Most plants reach around 25–40cm tall, forming neat, spreading mounds.
Yes — it’s one of the best perennial plants for bees and other beneficial insects.
Full sun is best for compact growth and heavy flowering, though it will tolerate light shade.
Yes. Cutting plants back after flowering keeps them tidy and encourages fresh growth and repeat blooms.
