Coleus argentatus 'Silver Shield'

Synonyms

Plectranthus 'Silver Shield'
Plectranthus argentatus 'Silver Shield'

Bedding Conservatory Greenhouse

Buy this from Plant Nurseries
4 Suppliers

A tender, evergreen, sub-shrubby perennial to 60cm tall, grown for its velvety, silver foliage. In summer, slender, purple inflorescences are produced; these bear small, blue-tinted white flowers

Position

Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: A genus of annual or perennial herbs or shrubs, some of which can be succulent or tuberous in nature, and one of the easiest plants to propagate. Their velvety leaves add vibrant shades of red, pink, green and purple to beds and borders, pots and containers
Name Status: Accepted

How to Grow

Cultivation

Under glass grow in peat-free potting compost in filtered light. Water freely in growth and apply a high-nitrogen every 2 weeks. Outdoors, plant out after the last frosts into humus-rich, moist but well-drained soil in partial shade. Pinch out young shoots and emerging flower spikes and to keep plants compact

Propagation

Propagate by cuttings

Suggested planting locations and garden types

Houseplants
Mediterranean climate plants
Patio and container plants
Bedding
Conservatory and greenhouse
Flower borders and beds

Pruning

Pinch out growing tips to promote bushiness

Pests

May be susceptible to mealybugs, scale insects, glasshouse whitefly and slugs

Diseases

Generally disease-free