Serendipity Ornamental Onion

General Information

Serendipity Ornamental Onion is a great ornamental perennial plant.  It fits well in borders, flower beds, large containers and a variety of other landscaping areas. It grows as a nice clump of upright foliage, with flowers above.  The leaves are very narrow and grows quite densely.  They are a very nice blue-green in color.  If the leaves are crushed, it will emit an onion fragrance.  Abundant globe shaped flowers from mid to late summer.  They are a very nice pinkish-purple in color.  Serendipity Ornamental Onion is great for attracting butterflies and other pollinators!

Additional Information

Allium ‘Serendipity’ grows to a height of 15 to 20 inches, with a spread of 10 to 15 inches.  It is recommended for USDA climate zones 4 to 8.  It can grow in full to partial sunlight.  Serendipity Ornamental Onion does well with average amounts of moisture in well drained soils. 

Shipping Notes

NOT AVAILABLE FOR SALE IN THESE US STATES AND TERRITORIES: AK, HI, GM, PR, VI. Due to Department of Agriculture regulations, we cannot send plants to California. Our products will ship with USPS, FedEx or UPS. They should take 2 to 3 days to reach most areas that we ship to. All of our plants will be shipped out within 7 to 10 business days, with certain exceptions.

Additional information



Bloom time




Mature Width 10 to 15 Inches
Mature Height 15 to 20 Inches
Light Full to Partial Sun
Planting Zone 4 to 8

Planting Zone Map

US Planting Zones


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