Allium altissimum

Allium altissimum

Allium altissimum

Regular price £45.00
UK mainland shipping from £7.99
  • We aim to deliver this product within 3-5 working days
  • In stock, ready to ship
  • Backordered, shipping soon
Tax included. Shipping calculated at checkout.

Allium altissimum also known as the tall onion is a beautiful flower with pink ball-shaped heads. The altissimum does best planted between October and November when it starts to get cooler. If planted in this time they will start blooming around May to June. The plant grows to a whopping 125-175cm when fully grown!

Does best when planted in drained fertile soil around 10 to 15cm deep. They prefer sunny areas with a sheltered side to prevent the tall flower spikes from being blown over.

Planting Time: October - November

Flowering Time: May to June

Max Height: 175cm

    Garden Wildlife makes every effort to ensure that the goods you ordered get to you undamaged and in a timely fashion. 

    Please check the estimated delivery period for individual products on their respective website page and please feel free to contact us with any questions before ordering.

    Pond Plants

    Currently dispatching on Tuesdays and Thursdays only.

    1. In the main season, orders placed by 11am on a working day are sent the next working day, excluding Friday (or the Thursday before Easter).
    2. During low season we will amend the days orders are shipped. The dispatch days are normally:
      • March - Twice weekly Tuesday and Thursday
      • April to Mid-August - 4 days per week Monday to Thursday
      • Mid-August and September - Twice weekly Tuesday and Thursday
      • October to February - Once per week on Tuesday
    3. Due to the volume of orders being handled, we are unlikely to be able to amend or cancel an order if it has already been picked and packaged. Once in this status, the order will be shipped and invoiced accordingly.
    4. Our couriers will leave orders in a cool shaded area if there is no one at the address provided, or with a neighbour if possible.

    Other Products

    We aim to dispatch orders within 3 working days (Monday to Friday).

    Some specialist products such as our larger insect houses, furniture and niche bird boxes are made to order and may have a lead time of 2-6 weeks.


    We will always send you as much tracking information as possible regarding your order.

    Our team is also available to contact at should you need us.

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