24 reviews

'Serendipity' Ornamental Onion (Allium)

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24 reviews

'Serendipity' Ornamental Onion (Allium)

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Full Sun
Part Sun
Height15 - 20 In
Spread10 - 15 In
Zones0405060708
Current Location:

'Serendipity' Ornamental Onion (Allium) boasts globe-like, rosy-purple flowers mid to late summer that top attractive blue foliage. The upright habit works as a thriller in containers and the landscape. Alliums are charming plants for the rock or herb garden. When the foliage is bruised, it smells like onions since they are in the onion family. Butterflies and honeybees adore the flowers' sweet nectar but deer and rabbits steer clear of this perennial beauty.

  • 15-20 inches tall and 10-15 inches wide at maturity
  • Grow in zones 4-8
  • Plant in part to full sun (4+ hours daily)

Care: Trim stems after it has finished flowering if desired. Fertilize with Proven Winners Continuous Release Plant Food in spring.

Shipping Info:

  • Enjoy free shipping on orders over $45
  • Size at shipping varies by the season and plant
    • 0.65 Gallon plants are 6-12" tall at shipment 
    • Quart shrubs are 5-8" tall at shipment

Read our guide to get started with planning a garden

Features

  • Attracts Pollinators
  • Fragrant
  • Resists Deer

Characteristics

  • Height: 15 - 20 In
  • Spread: 10 - 15 In
  • Habit: Upright
  • Bloom Color: Purple
  • Foliage Color: Blue
  • Plant Type: Perennial

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Customer Reviews
5.0 Based on 24 Reviews
5 ★
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KM
08/10/2023
Kathleen M.
United States United States

Best flower container centerpiece

These are my favorite new addition to my garden containers! The provide just the right amount of height and look stunning.

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08/30/2023

Proven Winners Direct

Kathleen, Thank you for sharing! The Serendipity Ornamental Onion is a wonderful choice for providing height and thriller elements to your containers. Enjoy!

VR
07/10/2023
Veronica R.
United States United States

Love my new 'Serendipity' Alliums

I am extremely happy with my 'Serendipity' Allium. They came very well packaged with plastic over the pot to keep soil intact. I was impressed with how big, and healthy they were. I planted them straight away and gave them a nice long drink to them settled into their new home. I can't wait until they start blooming. Thanks, Proven Winners! I will definitely be ordering again soon.

Proven Winners Direct 'Serendipity' Ornamental Onion (Allium) Review
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RT
10/20/2022
Rachel T.
United States United States

Beautiful root balls and well packaged

I ordered these allium in early fall when the blooms were already gone, but the foliage looks very healthy, the root ball is nicely developed, and the shipping was packaged well. Can’t wait for next year to see the blooms!

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