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Grape Hyacinths RHS Award of Garden Merit Toxic

Muscari armeniacum

Muscari armeniacum

The most popular grape hyacinth for UK gardens, producing dense spikes of cobalt-blue urn-shaped flowers with a white rim in March and April. Spreads freely by offsets and self-seeding, forming carpets of blue. Classic partner for yellow daffodils and red tulips. Easy and completely reliable in any soil.

Muscari armeniacum (Muscari armeniacum) in bloom

Where to plant

Best aspect

South-facingEast-facingWest-facing

Border position

Front of border

When to plant and expect flowers

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
🌱
🌱
🌱

Plant

🌸
🌸

Flowers

How to grow muscari armeniacum

Plant 8cm deep in autumn. Spreads freely so plant where expansion is welcome. Classic partner for daffodils and tulips. Can become invasive in small borders. Excellent in containers where spread is contained.

Soil requirements

Soil type

loam, sand, chalk, clay

Moisture

well drained

pH

neutral, alkaline

Aftercare

Allow foliage to die back naturally after flowering. Remove spent flower heads to prevent self-seeding.

Propagation

  • Offsets in autumn
  • Seed

Wildlife value

🐝 Attracts bees

Toxicity

Mildly toxic. Contains saponins that can cause gastrointestinal discomfort if ingested in quantity.

🐱 Toxic to cats
🐶 Toxic to dogs
🐴 Safe for horses
👤 Toxic to humans

Common problems

  • Can spread aggressively
  • Grassy foliage appears in autumn and looks untidy

Similar bulbs to grow

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