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Category
Annuals
Herbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Shiny/Glossy
Foliage Color
Blue-Green
Height
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
Not Applicable
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Where to Grow
Danger
Handling plant may cause skin irritation or allergic reaction
Pollen may cause allergic reaction
Bloom Color
Bright Yellow
Green
Inconspicuous/none
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Bloom Time
Mid Summer
Late Summer/Early Fall
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)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
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