Linaria Species, Purple Toadflax, Perennial Toadflax

Linariapurpurea

Genus
Linaria (lin-AR-ee-uh)
Species
purpurea (pur-PUR-ee-uh)
Synonym
Antirrhinum purpureum
Termontis purpurea
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 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)
Danger
N/A
Bloom Color
Pink
Medium Purple
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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

Anchorage, Alaska

Eureka, California

Fairfield, California

Richmond, California

San Leandro, California

Jeffersonville, Indiana

Highland, Michigan

Lancaster, Ohio

Albany, Oregon

Bandon, Oregon

Millersburg, Oregon

Allentown, Pennsylvania

Seattle, Washington

show all

Featured Videos

Gardener's Notes:

2
positives
1
neutral
0
negative
Sort By:
Sort By:
C
ROSLINDALE, MA | July 2016 | neutral

Self-sows here in Boston Z6a.

The flowers are not visible from a distance---to have any impact, they need to be seen clo...Read More

R
(Zone 1) | November 2012 | positive

Linaria purpurea grows wild along the roadsides here in New Zealand. It is a very hardy, self seeding, pretty plant.

L
Jeffersonville, IN (Zone 6a) | September 2006 | positive

Good cut flower. Reblooms beautifully after deadheading. Fills in its space nicely. Flowers are small, so they need to be enjoyed up clos...Read More

Featured
Widow Skimmer
(Libellula luctuosa)
Western Osprey
(Pandion haliaetus)
Featured
Widow Skimmer
(Libellula luctuosa)
Western Osprey
(Pandion haliaetus)