Aconitum Sparks Variety


SKU: aconitum-sparks-variety Category:
Common Name: Monkshood
Size: 2-3 litre
Hardiness: H7
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 (>15˚C)
  • H1b: can be grown outside in the summer (10 - 15 ˚C)
  • H1c: can be grown outside in the summer (5 - 10 ˚C)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5 ˚C)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1 ˚C)
  • H4: hardy through most of the UK (-10 to -5 ˚C)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10 ˚C)
  • H6: hardy in all of UK and northern Europe (-20 to -15 ˚C)
  • H7: hardy in the severest European continental climates (< -20 ˚C)
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This plant has won a RHS award

2-3 Litre Pot

  • RHS Award of Garden Merit
  • Position: Full sun, partial shade
  • Soil: Moist, well drained
  • Growth Rate: Average
  • Flowering Period: July-August
  • Hardiness: H7
  • Eventual Height: 1-1.5m
  • Eventual Spread: 0.1-0.5m

Aconitum Sparks Variety, commonly known as Monkshood, a recipient of the prestigious RHS Award of Garden Merit, is a clump forming erect herbaceous perennial with deeply divided, mid green leaves through which the tall erect stems appear bearing spikes of deep violet hooded flowers through-out the Summer. This Aconitum is well suited to the mixed flower border, especially when planted in groups or planted with contrasting colours to provide a colourful focal point, also ideal for cut flower arrangements, lasting well in a vase. Sparks Variety is also a brilliant alternative to Delphiniums which typically require a lot more maintenance than these.

How to care for your Aconitum Sparks Variety

  • Sun and shade: Prefers partial shade, but can tolerate full sun in cooler climates. Avoid planting it in areas that receive intense, direct sunlight, as this can cause the plant to wilt and the flowers to fade more quickly.
  • Soil: Prefers well-drained soil that is rich in organic matter. It is important to ensure that the soil remains moist but not waterlogged, as this can lead to root rot.
  • Watering: Water the plant regularly, especially during periods of drought. However, be sure not to overwater as this can lead to root rot. Water the plant at the base, rather than from above, to prevent the foliage from getting wet, which can cause fungal diseases.
  • Fertiliser: Does not require heavy fertilisation. A light application of balanced fertiliser in the early Spring should be sufficient to encourage healthy growth and blooming.
  • Mulching: Mulch around the base of the plant to help retain moisture in the soil and suppress weed growth. This will also help to protect the plant from extreme temperatures.
  • Pruning: After the flowers have faded, cut back the stems to just above the ground. This will help to prevent the plant from becoming too leggy and encourage bushier growth the following season.
  • Propagation: Can be propagated by division in the Spring or Autumn. Simply dig up the plant, separate the clumps, and replant in a well-prepared soil.

By following these basic care guidelines, you can help to ensure that your Aconitum Sparks Variety remains healthy, vibrant, and blooming year after year.

Additional information


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