Tall Blue Larkspur
Family: Ranunculaceae
(Buttercup Family)
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Hardiness Zones: 5-7
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Height: 3-5 feet
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Spread: 1-2 feet
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Bloom Time: July to September
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Bloom: loose terminal spikes of gentian-blue or purple
trumpet-shaped flowers (to 1 inch each)
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Light: partial to full sun
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Soil: fertile, medium moisture,
well-drained
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Moisture: medium
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Use: borders, cottage gardens, native
plant areas; best in massed or small groupings; important mid-summer nectar
source for hummingbirds, bees, and butterflies
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Care: fertilize regularly; protect from
strong winds; taller plants may require support; remove spent flower spikes to
encourage additional bloom
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Concerns: dislikes high humidity;
susceptible to powdery mildew, leaf spots, and crown rot; watch for slugs and
snails
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Native to: Eastern North America; a
Wisconsin native plant
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Notes: 3-5 lobed deep green leaves;
fibrous roots; important mid-summer nectar source for hummingbirds, bees, and
butterflies; deer and rabbit resistant; all parts of this plant are poisonous
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Supplier: donated by Janis Noonan
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Teaching Garden
Location & Code: Pollinator Garden C189
Content
produced through:
Dane County
UWEX Master Gardener Volunteer Program
Questions?
Dane County UWEX Horticulture
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