Echium strictum

Synonyms

Echium fastuosum Salisb. [3]

Annual Biennial Conservatory Greenhouse Herbaceous Perennial

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A compact, woody, tender, semi-evergreen shrub or short-lived perennial, up to 2.5m in height, with upright, branched stems and rosettes of hairy green foliage and hairy stems. Bright purple-blue, funnel-shaped flowers appear in late spring to early summer. Great for rock gardens, pots and containers or mediterranean borders. Also suits coastal gardens and is drought-tolerant once established

Position

Full sun

Soil Types

Loam

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Loam

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: 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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Boraginaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Columnar upright
Potentially harmful: Skin irritant. Wear gloves and other protective equipment when handling
Genus: Echium can be annuals, biennials, evergreen perennials or shrubs, with simple, coarsely hairy leaves and funnel-shaped flowers borne in panicles or dense spikes in summer
Name Status: Correct
Plant Range: Canary Islands

How to Grow

Cultivation

Grow under glass in peat-free, loam-based potting compost in full light, or overwinter rosettes in a frost-free greenhouse and move outdoors in summer

Propagation

Propagate by seed

Suggested planting locations and garden types

Coastal
Mediterranean climate plants
Patio and container plants
Rock garden
Sub-tropical

Pruning

No pruning required

Pests

May be susceptible to slugs or glasshouse whitefly and glasshouse red spider mite under glass

Diseases

Generally disease-free