Blechnum gibbum 'Silver Lady'

Ferns Conservatory Greenhouse

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A frost-tender fern that forms a slender trunk as it matures and produces stiff, upright to arching fronds up to 90cm tall and wide

Position

Partial shade

Soil Types

Loam

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Loam

Moisture: Moist but well–drained
pH: Acid

Position

Partial shade

Aspect: North–facing or East–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): H1B

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Blechnaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Columnar upright
Genus: Blechnum are mostly evergreen ferns with erect or creeping rhizomes and simply pinnate, leathery fronds, the fertile ones usually erect, the sterile often spreading
Name Status: Unresolved

How to Grow

Cultivation

Best grown under glass in frost-free conditions in a neutral to acid loam compost with bright filtered or indirect light, a humid atmosphere and good ventilation. Outdoors, for warmer UK counties only, grow in a very sheltered position in moist, humus-rich neutral to acid soil in full to part shade. See how to grow tender ferns outdoors or how to grow ferns as houseplants for further advice

Propagation

Propagate by spores in summer or propagate by division but may take some time to re-establish

Suggested planting locations and garden types

Houseplants
Patio and container plants
Sub-tropical
Conservatory and greenhouse

Pruning

No pruning required. Tidy if necessary, removing older fronds

Pests

Generally pest-free

Diseases

Generally disease-free