Buddleja, Butterfly Bush, Summer Lilac 'Blue Chip'

Buddleja

Family
Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee)
Genus
Buddleja (BUD-lee-uh)
Synonym
Spacing
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
15-18 in. (38-45 cm)
Danger
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)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Fruit Shape
N/A
Fruit Size
Dark Blue
Medium Purple
Fruit Colors
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Growing Habit
Deciduous
This plant is resistant to deer
Succulent
Days to Maturity
Seed Type
From herbaceous stem cuttings
From softwood cuttings
By simple layering
Disease Resistance
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Perennials
Shrubs
Where to Grow
Other details
Propagation Methods
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Patented
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

Pontiac, Illinois

Roslindale, Massachusetts

Grand Rapids, Michigan

Burlington, North Carolina

Holly Springs, North Carolina

Raleigh, North Carolina

Winston Salem, North Carolina

Cleveland, Ohio

Stillwater, Oklahoma

Harrisburg, Pennsylvania

Newport, Rhode Island

Brownsville, Tennessee

Collierville, Tennessee

Plano, Texas

Keller, Virginia

show all

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Gardener's Notes:

8
positives
0
neutral
1
negative
Sort By:
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J
Collierville, TN | September 2022 | positive

Love it's drought tolerance and pretty blue blooms!

C
ROSLINDALE, MA | March 2014 | positive

This cultivar's dwarf habit isn't its only ornamental feature.

We planted several two years ago. (Boston, Z6a) We found th...Read More

P
Newport, RI | November 2011 | positive

I have had good luck with this one,bloomed from june untill now 11/9.Buddleias can be pruned hard to keep the plant as compact as you wish.

L
Bellaire, TX | July 2011 | negative

I first planted two of these in my zone 9B garden as mail order plants because they weren't available locally yet. One died immediately;...Read More

P
Rolesville, NC (Zone 7b) | June 2010 | positive

A great introduction by my former professor, Dr. Dennis Werner, at N.C. State. Decidedly more compact than most other Buddleia, this cult...Read More

M
Bartow, FL (Zone 9a) | June 2009 | positive

'Blue Chip' is a true dwarf that stays under two feet. Panicles of fragrant, blue/violet flowers attract bees and butterflies all summer,...Read More

J
Stillwater, OK | September 2008 | positive

I planted Blue Chip in April (VERY small immature plants) and they were blooming profusely by June. Every claim made for Blue Chip is ab...Read More

E
(Clint) Medina, TN (Zone 7b) | August 2008 | positive

Beautiful bloom color and size of bloom in relation to size of plants. It's so small I'm using it as a border plant for taller echinaceas...Read More

S
(Taylor) Plano, TX (Zone 8a) | July 2008 | positive

'Blue Chip' is a dwarf variety of Buddleja that was just intorduced this year(2008) and is one of three in the Lo & Behold series. Two m...Read More

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