Blue Boy Clematis vs Katherine Havemeyer Lilac - TreeTime.ca

Blue Boy Clematis vs Katherine Havemeyer Lilac

Clematis integrifolia Blue Boy

Syringa vulgaris Katherine Havemeyer

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Blue Boy Clematis
Katherine Havemeyer Lilac

Blue Boy Clematis is a cold-hardy, fast growing, woody climbing vine. Hundreds of stunning steel-blue bell shaped flowers adorn the vine throughout the summer that droop and appear to hang in the air. The fibrous stems spread and create a fan-like symmetry shape.

This species will do best with support from a trellis, fence, or even other shrubs or tree stumps.

The Blue Boy Clematis was developed in Manitoba, Canada in 1947 by famous breeder Frank L. Skinner by crossing C. integrifolia x C. viticella, but it didn’t gain popularity until the 1990’s.

Katherine Havemeyer Lilac is a cold hardy French lilac known for its highly fragrant, double flowers. The buds start as a lavender-purple and give way to soft pink blooms that have double the number of petals compared to other Lilacs. The flowers bloom in late spring and can last up to 3-4 weeks.

The Katherine Havemeyer lilac, like other lilacs, is deer-resistant. The flowers are known for attracting hummingbirds, bees, and other pollinators to your landscape.

Blue Boy Clematis Quick Facts

Katherine Havemeyer Lilac Quick Facts

Zone: 2b
Zone: 3a
Height: 3 m (10 ft)
Height: 4 m (12 ft)
Spread: 0.6 m (2.0 ft)
Spread: 2.7 m (9 ft)
Moisture: normal, wet
Moisture: dry, normal
Light: partial shade, full sun
Light: full sun
Hybrid: yes
Hybrid: no
Catkins: no
Catkins: no
Flowers: steel blue
Flowers: pink to light purple
Growth rate: medium
Growth rate: medium
Life span: medium
Life span: short
Maintenance: medium
Suckering: medium
Suckering: medium




Other Names: katherine havemeyer french lilac