Dane County Extension Teaching Garden

Stylophorum diphyllum

Woods Poppy, Celandine Poppy

Family: Papaveraceae (Poppy Family)

· Hardiness Zones: 4-9

· Height: 12-18 inches

· Spread: 9-12 inches

· Bloom Time: April to June

· Bloom: 4-petaled poppy-like yellow or yellow/orange flowers in small clusters atop stems

· Light: part to full shade

· Soil: rich, acidic well-drained; tolerates lime

· Moisture: medium to wet

· Use: naturalize in shaded woodland, wildflower, or rain gardens

· Care: requires moisture throughout summer; withers during drought

· Concerns: no serious insect or disease problems; self-seeding may be a problem if containment is desired

· Native to: Eastern North America

· Notes: blue-green pinnately-lobed basal foliage is silvery beneath; flowering stems bear a pair of deeply-lobed leaves; stems contain a bright yellow sap used as a dye by Native Americans; propagate by seed or division; chipmunks feed on seeds;

· Supplier: Donated by Karen Allenstein & Mary Pelzer

· Teaching Garden Location & Code: Naturalistic Garden H154

Content produced through:

Dane County UWEX Master Gardener Volunteer Program

Questions?

Dane County UWEX Horticulture Program

Phlox divaricata

Wild Blue Phlox; Wild Sweet William

Family: Polemoniaceae (Phlox Family)

· Hardiness Zones: 3-8

· Height: 12-15 inches

· Spread: 9-12 inches

· Bloom Time: April to May

· Bloom: loose clusters of fragrant, tubular, rose-lavender or violet-blue flowers (0.75 to 1.5 inches across), with 5 petal-like lobes notched at the tips; blooms are occasionally pink or white

· Light: part to full shade

· Soil: best in humusy, well-drained soil; tolerates clay soil

· Moisture: medium; drought tolerant once established

· Use: shaded informal borders; woodland, shade, and native plant gardens; naturalized areas

· Care: cut back stems after flowering to prevent self-seeding; clean up foliage in spring

· Concerns: few disease or insect pest problems except powdery mildew under humid conditions (or when air circulation is poor) and spider mites in hot dry weather; deer and rabbits browse

· Native to: Eastern North America

· Notes: opposite pairs of lance-shaped, shiny, dark green leaves (to 2 inches long) on hairy and sticky stems; shallow-rooted; can form large colonies over time as leaf shoots root at the ground; self-seeds but not aggressively; flowers must be cross-pollinated by hummingbirds, butterflies, and long-tongued bees and moths

· Supplier: Donated by Karen Allenstein

· Teaching Garden Location & Code: Naturalistic Garden H153

Content produced through:

Dane County UWEX Master Gardener Volunteer Program

Questions?

Dane County UWEX Horticulture Program

Echinacea purpurea 'Green Twister'

Coneflower 'Green Twister'

Family: Asteraceae (Aster Family)

· Hardiness Zones: 3-8

· Height: 2-3 feet

· Spread: 12-18 inches

· Bloom Time: July to September

· Bloom: 4 inch wide daisy-like blooms with horizontal petals, yellow-green at outer edge transitioning to pale mauve toward a central rust-red cone

· Light: full sun to part shade; blooms best in full sun

· Soil: any well-drained soil

· Moisture: dry to medium water needs; drought tolerant once established

· Use: mass, group, or specimen in cottage, prairie, and pollinator gardens; borders; winter interest; cut or dried flowers

· Care: low maintenance; deadhead flowers to encourage longer bloom; cut stems back in spring before new growth appears (as fall stem cuts may funnel water into roots, causing crown rot); divide clumps when overcrowded (about every 4 years)

· Concerns: no serious insect or disease problems; sometimes subject to aster yellows

· Native to: hybrid cultivar; species native to eastern and central North America

· Notes: sturdy foliage, multi-branched stems with deep green, lance-shaped leaves; stems lengthen and strengthen after first year; over-winters well; flowers attract butterflies and hummingbirds; dried seed heads provide winter interest and food for birds; deer resistant

· Supplier: started from seed

· Teaching Garden Location & Code: Naturalistic Garden H149

Content produced through:

Dane County UWEX Master Gardener Volunteer Program

Questions?

Dane County UWEX Horticulture Program