Plants by mail order since 1984, over 4100 plants online today!
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Purple-blue flowers on silvery white stems, late spring to early autumn
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Semi-evergreen - Keeps some of its foliage all year, and will drop some leaves as well. - oblong-lance-shaped, fine-toothed, usually mealy, pale green leaves to 15cm (6in) long
Purple - Shades of purple/mauve/lilac/violet - purple blue
Height - 40cm (16in)
Spread - 40cm (16in)
Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - rosette-forming perennial. Produces tubular flowers to 1cm (½in) long with shallowly lobed petals in flattened, spherical racemes
Very hardy - Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
Full sun - tolerates if soil remains moist at all times
Additional Features - Good to know - scabious-like flowers. Short-lived. Groups should self-seed.
Pests & Diseases - aphids, red spider mite, vine weevils, slugs, viruses, grey mould(Botrytis)
Place of origin - moist alpine regions in Tibet, Bhutan, India (Sikkim)
Hardiness - Fully hardy
Soil Conditions - Neutral to acid soil - deep, humus-rich loam or peaty
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen. Just stick them in your pot or border. Pack of 6.
Protect your knees in the garden with this squishy mat. Water-repellent and light weight.