Utricularia bisquamata 'Betty's Bay'

RHS Plant Profile

bladderwort 'Betty's Bay'

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Bogs

A vigorous, tiny-leaved, insectivorous plant, trapping minute prey in waterlogged soil by means of bladder-like traps on its roots. It is cultivated for its yellow and purple flowers which are borne on wiry flowerstalks 15cm tall. Unlike the species, this cultivar does not self-seed

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Poorly–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: East–facing or 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): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lentibulariaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Utricularia can be aquatic, terrestrial or epiphytic, insectivorous annuals or perennials with linear to kidney-shaped leaves bearing bladders to trap insects, and solitary or racemose, 2-lipped flowers held above water level
Name Status: Accepted

How to Grow

Cultivation

Under glass grow in pots of peat substitute mixed with sand or perlite, kept moist by standing in a tray of water. Position in sun or part shade

Propagation

Propagate by division

Suggested planting locations and garden types

Conservatory and greenhouse

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free