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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names Swedish ivy
Synonyms Plectranthus Plectranthus australis
Family Lamiaceae
Genus Plectranthus can be annuals, evergreen perennials or shrubs, with opposite, ovate or heart-shaped, sometimes fleshy leaves, and 2-lipped, tubular flowers borne in whorls forming spikes or panicles
Details P. verticillatus is a prostrate evergreen perennial forming a mat to 10cm tall, with rounded, coarsely toothed leaves purple beneath, and loose spikes of purple-dotted, white flowers 2cm long in summer
Plant range Southern Africa
Foliage Evergreen
Habit Mat forming
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H2
Partial Shade
Aspect South-facing or West-facing or East-facing
Exposure Sheltered
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilLoam, Sand
pHAcid, Alkaline, Neutral
Ultimate height Up to 10 cm
Ultimate spread 0.5-1 metres
Time to ultimate height 1-2 years
Cultivation Best grown in a well-drained soil in partial shade, used as foliage plant either in beds or in a container. Can be grown under glass but shade from hot sun
Propagation Propagate by seed at 19-24?C (19-24?F) when ripe or propagte by stem-tip cuttings at any time of year (see softwood cuttings)
Suggested planting locations and garden types Patio & Container Plants
Pruning Prune young plants to create bushy growth
Pests Generally pest free
Diseases Generally disease free
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