Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
Giant Allium Globemaster -
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Giant Allium 'Globemaster' -

Incredibly giant purple blooms on top of tall slender stems.
  • Enormous, deep-magenta flower heads that will really make an impact.
  • Each multi stemmed plant bursts with vibrant colour from May to June each year.
  • They look amazing alone in pots, containers or at the back of borders.
  • This Allium 'Globemaster' plant will get bigger and better each year.
  • Supplied as a pack of 2 bulbs, size 18/20, ready to plant out in autumn.

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2 Bulbs
Item: 630039
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2 Bulbs - Item: 630039
DEAL PRICE £7.99
RRP £9.99
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Product Information

Allium 'Globemaster' is a fantastic plant with enormous, deep-magenta flower heads that grow up to 20cm across, bursting with vibrant colour from May into June each year.

Growing to approximately 1m tall, they will be amazing wherever you decide to plant them. Alone in patio pots and containers, or with lots of other gorgeous perennials in your spring and summer borders.

Very easy to grow, and with very little needed in the way of care, they're the perfect plant for novice gardeners or for those short of time - perfect results can be achieved by anyone.

Fully deserving its coveted RHS Award of Garden Merit, you can be sure that this is a proven garden performer, guaranteed to be suitable for UK gardeners at every level of experience. You can therefore plant this in the garden with confidence, for stunning displays for many years to come, and it is also recommended by the RHS as a 'Plant for Pollinators', with flowers that are a favourite with butterflies and bees.

Coming back year after year, These Allium will provide you with bigger and better displays every season. They will also make fabulous cut flowers as the stems last well once they have dried.

Supplied as a pack of 2 bulbs, size 18/20 bulbs ready for planting out in autumn.

What Is Supplied

Item 630039 supplied as:
Supplied as a pack of 2 bulbs, size 18/20 bulbs ready for planting out in autumn.

Plant Care Information

RHS Garden Merit
RHS Garden Merit
RHS Perfect Pollinators
RHS Perfect Pollinators
Perfect In Pots
Perfect In Pots
Plant In Sunshine
Plant In Sunshine
Winter Hardy
Winter Hardy
Cut Flower
Cut Flower
Easy To Grow
Easy To Grow
Wildlife Friendly
Wildlife Friendly

Top Tips

Underplant with hostas, ferns or other low-growing, hardy perennial plants which will help to disguise the leaves as they fade.

Care Information

Planting Advice:

  • Find a location where the soil drains well and where they will receive full sun.
  • Plant allium bulbs in early to mid autumn in a sheltered site to prevent the top-heavy flower spikes from getting blown over.
  • Dig over the soil and remove any weeds before planting.
  • Water well after planting, saturating the soil around the bulbs. Once established, alliums are drought tolerant.
  • In borders, plant bulbs in early autumn at a depth of about four times the diameter of the bulbs.
  • In containers, alliums will do well in deep pots with a good general-purpose potting compost with a handful of horticultural grit added.

Aftercare Advice:

  • After planting, feed with a general-purpose feed such as our Blooming Fast Superior Soluble Fertiliser.
  • Dried flower heads can be removed and made into indoor decorations or left on the plants to self-seed.
  • Divide alliums every three to four years or when the plants begin to look overcrowded and blooming decreases.
  • Lift the bulbs with a garden fork or spade and pull the bulbs apart.
  • Replant some in the original location and plant the remainder in a new location.

Pruning & Trimming Advice:

  • The leaves die down at flowering time, so itís best to plant alliums where this foliage is masked by that of other plants.
  • Avoid removing them while still green, as they provide the bulbs with energy for the following season.

Planting/Flowering Calendar

Planting Time
Flowering Time
JanFebMarAprMayJunJulAugSepOctNovDec

Fully Grown Plant Dimensions (approx)

Plant Dimensions
100 cm
20 cm
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1. If you're not totally happy with your order, return it within 30 days and we'll replace or refund in full!
2. Should any hardy plant fail to thrive thereafter, we'll replace free of charge - you just pay the P&P
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