Scutellaria diffusa

Save a plant

Where do you want to save Scutellaria diffusa?

Plants I own
Wishlist
Go to My Plants
Herbaceous Perennial Alpine Rockery

A mat-forming perennial to a height of 8cm with small hairy grey-green leaves. The flowers are blue-purple in colour and held in clusters over the foliage in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand, Chalk

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Loam Sand Chalk
Moisture
Well–drained
pH
Neutral or Alkaline or Acid

Position

Full sun Partial shade
Aspect
West–facing or South–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming, Spreading branched, Clump forming
Genus
Scutellaria are annuals, herbaceous perennials or sub-shrubs with opposite pairs of leaves and blue, violet, yellow or white, two-lipped, tubular flowers borne in the leaf axils or in terminal spikes
Name Status
Unresolved

How to Grow

Cultivation

Grow in a rock garden, scree bed, or alpine house in a gritty compost in sun or dappled shade. Avoid winter wet

Propagation

Propagate by division of clumps in spring or by basal cuttings in late spring to early summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Low Maintenance
  • Ground cover

Pruning

No pruning required

Pests

May be susceptible to aphids

Diseases

Generally disease-free