Allium 'Ambassador XXL'
Flower BulbsAmbassador Bulbs UK - 1
Allium 'Ambassador XXL'
Flower BulbsAmbassador Bulbs UK - 2
Allium 'Ambassador XXL'
Allium 'Ambassador XXL'
Allium 'Ambassador XXL'

Allium 'Ambassador XXL'
Free Gift

SIZE 35/+

Good for cutting

Loved by pollinators

RHS Award of Garden Merit

Hand packed in paper bags


You simply won’t believe the size of these giant allium bulbs when they arrive – they’re absolutely humungous! There’s no doubt about the fact that big bulbs like this will put on a big show, and when it comes to flowering, with a huge 35+ size bulb anchoring it into the ground you can be certain that your ultra-impressive allium display will be strong, upright and long-lasting too!

Allium ‘Ambassador’ is one of the most stately of all the giant alliums, growing to a height of over 1m tall and with substantial, dense flower clusters up to 20cm in diameter. The vivid purple ball-like flower clusters nod proudly in beds and borders during May and June to help the spring colours effortlessly flow into summer – if you want to impress your guests and neighbours, this jaw-droppingly burly one is bound to do the trick! If you enjoy creating spectacular indoor flower arrangements, this versatile flower is exceptionally long lasting in a vase and is great for both contemporary and relaxed styles.




120-140 cm / 48-56"

Planting season:

Autumn or spring

Flowering time:

Mid to late spring

Botanical name:

Allium 'Ambassador'

Light requirements:

Partial shade / full sun

Soil moisture:






Critter resistant:


  • Plant your allium bulbs from mid to late autumn
  • Plant in borders or containers in sun or partial shade
  • Plant the bulbs two to three times as deep as the bulb is high
  • Space the bulbs about twice the bulb diameter apart
  • Place the bulbs with the pointed side facing upwards

    Read more in our planting guide
  • Soak the roots in water for 3-6 hours prior to planting out
  • Plant your Allium bare roots into temporary pots in spring and grow-on in a sheltered spot outdoors
  • Choose a pot which comfortably fits the bare roots
  • Plant the roots so that they are fully submerged with the shoots just below the surface or any top growth exposed
  • Plant in borders or containers in early summer once in full growth
  • Space the Allium plants 15-25cm apart
  • Water-in after planting and keep hydrated when in growth
  • Read more in our planting guide
  • Orders placed before 31 August 2022
    You can expect your order September / early October 2022
  • Orders placed 01 September - 15 October 2022
    You can expect your order in October 2022
  • Orders placed 16 October - 15 December 2022
    You can expect your order within 10 business days

    See our full shipping & delivery schedule

Perfect partners

Our promises


We supply top size bulbs

Because we represent a Dutch bulb-growing family with a proud heritage that goes back for four generations, we're not about to spoil our top reputation with undersized bulbs. Expect top size bulbs. Always.

We supply top size bulbs


UK's biggest selection

We offer UK's biggest ever selection of amazing flower bulbs online, including lots of unique bulb varieties you won’t get anywhere else. We just love being able to provide you with an incredible choice of top-quality bulbs – it’s what we’re best at.

UK's biggest selection


Grown by the best growers

The best flower bulbs are grown in the Netherlands, where facilities and weather conditions are perfect to ensure premium quality and strong flower bulbs. We cooperate with the best bulb growers to supply world class flower bulbs.

Grown by the best growers


We care about our planet

We help you to reduce waste by using recyclable packaging whenever we are able. Enjoy receiving your bags and boxes of bulbs with a clear conscience and pass the benefits forward by sorting the used packaging materials into your recycling bins.

We care about our planet

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