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Asparagus officinalis

Asparagus

  • Botanical name: Asparagus officinalis
  • Common name: Asparagus
  • Family: Asparagaceae
  • Plant Type: Vegetable, Evergreen
Flower colour:

White

Foliage colour:

Green

Asparagus officinalis

Asparagus officinalis is a rare delicacy, yielding delicious and uniquely flavoured spears for a short time each spring. It’s surprisingly easy to grow, thriving in well-drained soil in full sun.

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Asparagus plants have pretty ferny foliage, and as such are equally at home in the herbaceous border as they are in the vegetable patch. Plants can be raised from seed but it’s best to avoid harvesting the spears until plants are three years old, to help them become established. One-year old crowns can be bought for planting and will start cropping well within two years.

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For best results grow Asparagus officinalis in fertile, well-drained soil in full sun. Prepare the soil well, removing weeds and incorporating plenty of organic matter such as well-rotted compost or manure. Water well until plants have become established, and mulch annually with organic matter.

How to grow Asparagus officinalis

  • Plant size

    1.5m height

    90cm spread

  • Aspect

    South facing, west facing

  • Sun exposure: Full sun
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / clay / heavy / moist / chalky / alkaline / acidic

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Plant
Plant

Do not Plant in January

Do not Plant in February

Do Plant in March

Do Plant in April

Do not Plant in May

Do not Plant in June

Do not Plant in July

Do not Plant in August

Do Plant in September

Do Plant in October

Do Plant in November

Do not Plant in December

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do not Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Harvest
Harvest

Do not Harvest in January

Do not Harvest in February

Do not Harvest in March

Do not Harvest in April

Do Harvest in May

Do Harvest in June

Do not Harvest in July

Do not Harvest in August

Do not Harvest in September

Do not Harvest in October

Do not Harvest in November

Do not Harvest in December

Asparagus officinalis and wildlife

Asparagus officinalis has no particular known value to wildlife in the UK.

Is Asparagus officinalis poisonous?

Asparagus officinalis can be toxic. Its foliage are toxic.

Toxic to:

Toxic to Cats

Toxic to Dogs

Toxic to Horses

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Livestock

No reported toxicity to People