Ornamental Onion

Watercolor illustration of a round yellow-orange object, resembling a lemon or orange.
Illustration of a deer inside a red circle with a diagonal line through it, indicating no deer.
Watercolor illustration of a bumblebee with black and yellow striped body, transparent wings, and antennae.
A stylized illustration of a water droplet divided into two parts: the top half is light gray, representing air, and the bottom half is blue with a cloudy texture, representing water.
Illustration of a rabbit inside a prohibition sign, indicating no rabbits allowed.
Watercolor illustration of a monarch butterfly with orange, black, and white patterned wings.

Ornamental Onion

Amaryllidaceae

Allium

A. Millennium

Allium Millennium

Common name(s)

Family

Genus

Subspecies

Full scientific name

The ornamental onion, known for its striking beauty and unique features, is a captivating addition to any landscape. With its slender, tall stems that can reach up to four feet in height, the ornamental onion stands tall and proud, adding an elegant touch to gardens and meadows. It is the clusters of delicate, pale pink to lavender flowers that make this plant truly irresistible. These captivating blooms attract a wide variety of pollinators, including bees and butterflies, enhancing the ecological balance in the surrounding area. The ornamental onion's milky sap acts as a deterrent to herbivores, ensuring its survival. In addition, its seed pods burst open to reveal silky seeds that gracefully float on the wind, spreading the beauty of this plant far and wide. Beyond its aesthetic appeal, the ornamental onion also plays a crucial role in butterfly gardens, serving as a vital host plant for the beloved monarch butterfly. With its whimsical charm and ecological significance, the ornamental onion is an essential and delightful addition to any landscape design.

Growth form:
Wild flower

Maximum height:
45 cm

Light requirements:
Full sun

Type:
Perennial

Maximum spread:
45 cm

Water requirements:
Dry, Mesic

Drought tolerant:
Yes

Rabbit resistant:
Yes

Attracts wildlife:
Bees
Butterflies

Native:
No

Deer resistant:
Yes

Bloom time:
Summer