• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Salvia confertiflora

Sabra spike sage

  • Other common names Sabra spike sage

  • Family Lamiaceae

  • Genus Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes

  • Details S. confertiflora is a tender perennial to 1.2m tall, becoming woody at the base, with pungently-scented, ovate leaves and slender spikes of small scarlet flowers in late summer and autumn

  • Plant range Brazil

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Foliage

  • 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

Sunlight

  • Full Sun

  • Aspect South-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Under glass grow in well-drained, loamless or loam-based potting compost (JI No.2 or 3) in full light with shade from hot sun; can be moved outdoors during the summer months

Propagation Propagate by seed in containers in a cold frame in spring. Propagate by softwood cuttings in spring or early summer or semi-ripe cuttings in late summer or autumn with bottom heat

Suggested planting locations and garden types Wall-side Borders Flower borders and beds Coastal Patio & Container Plants City & Courtyard Gardens Cottage & Informal Garden

How to care

Pruning Pruning group 9

Pests Under glass may be prone to aphids, glasshouse red spider mite, glasshouse whitefly; outdoors may be attacked by slugs and snails, capsid bug, rosemary beetle and leafhoppers

Diseases Generally disease free but may be subject to foot and root rots under glass

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