Hardy Ageratum, Mistflower 'Album'

Conocliniumcoelestinum

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Conoclinium (koh-no-KLY-nee-um)
Species
coelestinum (koh-el-ES-tee-num)
Synonym
Eupatorium coelestinum
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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
N/A
Bloom Color
White/Near White
Bloom Time
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
By serpentine layering
By stooling or mound layering
Seed Collecting
Regional

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

Tampa, Florida

Belleville, Illinois

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Columbus, OH (Zone 5b) | February 2011 | neutral

Plant was advertised as growing to 2' but in part sun grew to nearly 5' in first full year. Also rather bushy - needs space. Two specimen...Read More

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