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Locust
Robinia x slavinii 'Hillieri'

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Robinia (roh-BIN-ee-uh) (Info)
Species: x slavinii
Cultivar: Hillieri

Category:

Trees

Height:

20-30 ft. (6-9 m)

30-40 ft. (9-12 m)

Spacing:

20-30 ft. (6-9 m)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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)

Sun Exposure:

Full Sun

Danger:

Seed is poisonous if ingested

Parts of plant are poisonous if ingested

Bloom Color:

Rose/Mauve

Bloom Time:

Late Spring/Early Summer

Foliage:

Grown for foliage

Deciduous

Smooth-Textured

Other details:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

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)

Patent Information:

Unknown - Tell us

Propagation Methods:

From hardwood cuttings

From seed; direct sow outdoors in fall

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Seed does not store well; sow as soon as possible

Regional

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

Louisville, Kentucky

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Sep 14, 2013, mattie1spur from Broeck Pointe, KY wrote:

Forest Farm no longer offers this tree in its catalogue. It's a showstopper for 2 weeks out of the year.