Tanacetum, Feverfew 'Flore Pleno'

Tanacetumparthenium

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Tanacetum (TAN-uh-SEE-tum)
Species
parthenium (par-THEN-ee-um)
Synonym
Chrysanthemum parthenium
Matricaria parthenium
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Shiny/Glossy
Height
24-36 in. (60-90 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 Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms all year
Other Details
Category
Herbs
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Riverdale, Maryland

Midland, Michigan

Munsonville, New Hampshire

Bucyrus, Ohio

Wilkes Barre, Pennsylvania

Kalama, Washington

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Gardener's Notes:

4
positives
0
neutral
0
negative
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C
ROSLINDALE, MA | January 2016 | positive

Blooms early summer till frost. Makes a good cut flower.

Grows rapidly and comes true from seed. Hardy here but short-live...Read More

G
(Zone 5a) | February 2012 | positive

A nicely flowered Tanacetum. Blooms June-October in my garden.

S
S
(Zone 8b) | March 2005 | positive

This plant grows everywhere in my garden. Selfseeding a lot but easy to remove. So that's why it is welcome...growing in all conditions a...Read More

L
Grove City, OH (Zone 6a) | January 2003 | positive

'Flore Pleno' is a double-flowered variety. Unlike its single-flowered relative, this one does not self-seed enough to be invasive. It ...Read More

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