Amsonia hubrichti 'Green Mist'

Arkansas Bluestar 'Green Mist'

Family: Apocynaceae (Dogbane Family)

       

·        Hardiness Zones:  4-9

·        Height: 3 feet

·        Spread: 3 feet

·        Bloom Time: May to June

·        Bloom: abundant small, blue, star-like flower clusters

·        Light: full sun to part shade

·        Soil: average, well-drained; prefers moist, loamy soils but tolerant of a variety

·        Moisture: medium

·        Use: borders, rock gardens, cottage gardens or open woodland areas; best when massed

·        Care: low maintenance

·        Concerns: no serious insect or disease problems; plants may flop over if not cut back for flowering and if grown in too much shade

·        Native to: hybrid cultivar; species native to central United States

·        Notes: noted for its mounded, narrow, deep green foliage; attractive golden fall color; flowers attract butterflies; deer resistant

·        Supplier: Landscape Designs, Inc.

·        Teaching Garden Location & Code: Naturalistic Garden H167

 

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Amsonia tabernaemontana 'Midway to Montana'

Blue Star 'Midway to Montana'

Family: Apocynaceae (Dogbane Family)

       

·        Hardiness Zones:  4-9

·        Height: 2-3 feet

·        Spread: 2-3 feet

·        Bloom Time: May

·        Bloom: pale blue star-like flowers,1/2 inch wide, in clusters

·        Light: full sun to part shade

·        Soil: average, well-drained; prefers moist, loamy soils but tolerant of a variety

·        Moisture: medium

·        Use: borders, rock gardens, cottage gardens or open woodland areas; best when massed

·        Care: low maintenance

·        Concerns: no serious insect or disease problems; plants may flop over if grown in too much shade

·        Native to: hybrid cultivar; species native to central United States

·        Notes: develops robust, bushy habit over time; narrow (3/8 to 1/2 inch wide, willow-shaped green leaves; foliage turns golden-yellow in fall; deer resistant

·        Supplier: Landscape Designs, Inc.

·        Teaching Garden Location & Code: Naturalistic Garden H166

 

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       Dane County UWEX Master Gardener Volunteer Program 

 

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       Dane County UWEX Horticulture Program

 

Vernonia 'Summer's Swan Song'

Ironweed 'Summer's Swan Song'

Family: Asteraceae (Aster Family)

       

·        Hardiness Zones:  4-9

·        Height: 30-36 inches

·        Spread: 30-40 inches

·        Bloom Time: late summer to mid fall

·        Bloom: abundant 1/3 to 1/2 inch fluffy purple flowerheads on flowering branches; each blooms consists of a cluster of 50 or more deep purple tubular florets enclosed by leafy bracts

·        Light: full sun

·        Soil: average, well-drained, moist to semi-dry

·        Moisture: moderate; somewhat drought tolerant once established; intolerant of prolonged saturated soils

·        Use: singular or massed in perennial or mixed beds and borders, pollinator gardens, and as mid-sized perennial near water features

·        Care: deadhead flowers to reduce self-seeding; seed heads can provide winter interest; cut back to 1-3 inches tall at the end of the growing season or in early spring; mulch only in drier conditions

·        Concerns: no serious insect or disease problems; rust and powdery mildew may occur in prolonged periods of high humidity or wet conditions

·        Native to: species from south-central Canada to central and eastern United States

·        Notes: noted for its compact, rounded, dense, and bushy habit and exceptional resistance to rust an powdery mildew; interlocking network of longer, branching stems hold plant upright ,even in strong winds; a narrow-leaf ironweed hybrid; purple-tinged olive green leaves (5 inches or more in length and less than 1/4 inch wide) on deep wine-red stems; attracts birds; important late season nectar source for bees, butterflies, and wasps; deer and rabbit resistant

·        Supplier: Landscape Designs, Inc.

·        Teaching Garden Location & Code: Naturalistic Garden H165

 

       Content produced through:

       Dane County UWEX Master Gardener Volunteer Program 

 

       Questions?  

       Dane County UWEX Horticulture Program

 

Symphyotrichum cordifolium 'Avondale'

Blue Wood Aster 'Avondale'

Family: Asteraceae (Aster Family)

       

·        Hardiness Zones:  3-8

·        Height: 2-3 feet

·        Spread: 18-24 inches

·        Bloom Time: late summer to early fall

·        Bloom: masses of light blue daisies with dark yellow centers

·        Light: full sun to full shade

·        Soil: well-drained, average; clay tolerant

·        Moisture: average; drought-tolerant once established; intolerant of consistent wetness

·        Use: naturalizing, mass planting in beds or borders, groundcover, erosion control, understory plant, cut flower

·        Care: low maintenance

·        Concerns: no serious insect or disease problems

·        Native to: cultivar of a species native to eastern and midwestern North America

·        Notes: Avondale' is a more compact, deeper colored selection of the common Blue Wood Aster; more upright habit and better flowering in locations receiving at least 3 hours of direct sunlight; spreads by self-seeding and underground rhizomes; host food for larvae of several butterfly species; flowers provide important late season nectar for wasps, bees and butterflies; leaves provide browse for wild animal species including wild turkey and ruffled grouse; deer resilient

·        Supplier: Landscape Designs, Inc.

·        Teaching Garden Location & Code: Naturalistic Garden H164

 

       Content produced through:

       Dane County UWEX Master Gardener Volunteer Program 

 

       Questions?  

       Dane County UWEX Horticulture Program