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PlantFiles: Fountain Butterfly Bush, Alternate-Leaf Butterfly Bush
Buddleja alternifolia 'Argentea'

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Family: Buddlejaceae
Genus: Buddleja (BUD-lee-uh) (Info)
Species: alternifolia (al-tern-ee-FOH-lee-uh) (Info)
Cultivar: Argentea

Synonym:Buddleia alternifolia

One vendor has this plant for sale.

2 members have or want this plant for trade.

Category:
Shrubs

Height:
8-10 ft. (2.4-3 m)

Spacing:
8-10 ft. (2.4-3 m)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Pink
Rose/Mauve
Violet/Lavender

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Deciduous
Silver/Gray

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Non-patented

Propagation Methods:
From woody stem cuttings
From semi-hardwood cuttings
By grafting
By simple layering
By air layering

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By bootandall
Thumbnail #1 of Buddleja alternifolia by bootandall

By mrporl
Thumbnail #2 of Buddleja alternifolia by mrporl

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive coriaceous On Mar 7, 2014, coriaceous from ROSLINDALE, MA wrote:

The foliage is velvety silver, and is its principal ornamental attraction.Violet flowers cover it for two weeks in May/June. The habit is arching, with weeping branches.

This blooms on old wood, and unlike the more common Buddleias it should not be cut back hard in early spring. It is fully hardy here (Z6a) and rarely shows winter dieback. If it needs pruning, I'd do it just after it blooms. It is clearly hardier than Buddleia davidii.

Regional...

This plant has been said to grow in the following regions:

Redlands, California
Roslindale, Massachusetts



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