Common Rue, Garden Rue, Herb of Grace, Herbygrass 'Jackman's Blue'

Rutagraveolens

Family
Rutaceae (roo-TAY-see-ee)
Genus
Ruta (ROO-tuh)
Species
graveolens (grav-ee-OH-lens)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Provides Winter Interest
Shiny/Glossy
Height
18-24 in. (45-60 cm)
Spacing
15-18 in. (38-45 cm)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Other Details
Category
Herbs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From softwood cuttings
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Clayton, California

West Hatfield, Massachusetts

Maidsville, West Virginia

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Gardener's Notes:

2
positives
1
neutral
0
negative
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T
West Hatfield, MA | February 2018 | positive

I adore this plant-the weird piney smell and elegant bluish leaves. It looks marvelous pretty much all the time and with anything from wi...Read More

S
S
(Zone 8b) | August 2006 | positive

The foliage still looks pretty during winter and even looks more blue. 'Jackman's Blue' can be best propagated from tip cuttings taken in...Read More

M
Miami, FL | March 2005 | neutral

Rue is also said to be a larval host plant for the Giant Swallowtail Butterfly.

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