Myosotis arvensis

RHS Plant Profile

field forget-me-not

RHS

Other common names

ysgorpionllys y meusydd

Synonyms

Myosotis intermedia

Annual Biennial Herbaceous Perennial

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An annual to short-lived perennial that can form an over-wintering rosette of greyish-green, hairy leaves. Reaching a height of around 40cm, it flowers mainly in spring, but may carry on until autumn. The curved flowering stalk unfurls with a succession of blue, occasionally pink, 5-lobed flowers

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Boraginaceae
Native to GB/Ireland: Yes
Foliage: Semi evergreen
Habit: Bushy
Genus: Myosotis can be annuals, biennials or perennials, with simple leaves and clusters of small, salver-shaped blue, yellow or white flowers, with yellow or white eyes, in spring or early summer
Name Status: Correct
Plant Range: Eurasia

How to Grow

Cultivation

Naturally occurs in opens places such as verges, preferring well-drained soils

Propagation

Propagate by seed in autumn

Suggested planting locations and garden types

Wildlife gardens
Wildflower meadow

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews