• Photo of Agalinis tenuifolia (Agalinis tenuifolias)

Plant Profile: Agalinis tenuifolia

Taxonomy: Agalinis tenuifolia

Names

Common False Foxglove, Gerardia, Slender Agalinis, Slender-leaved False Foxglove

  • Photo of Agalinis tenuifolia (Agalinis tenuifolias)

Phonetic Spelling:ag-uh-LY-nus

Genus:Agalinis

Species:tenuifolia

Family:Orobanchaceae

Slender-leaved False Foxglove is a delicate native wildflower that thrives in sunny spots within wet woodlands, thickets, meadows, coastal areas, and disturbed sites. It prefers to be planted in full sun to partial shade, ideally in moist, well-drained soil, although it can adapt to various soil types and moisture conditions. This plant is known for its ability to self-seed and can easily establish itself in the landscape.

Often found in the same environments as A. purpurea, it can be mistaken for that species, but it is identifiable by its long flower stalks. The blooms are vibrant and appear from late summer into fall. Notably, this plant is considered partially parasitic, drawing nutrients from the roots of neighboring plants. The name Agalinis is derived from the Greek word "aga," meaning remarkable, while "linum" comes from the Latin term for flax, as the flowers bear a resemblance to those of flax. The species name "tenuifolia" refers to its narrow leaves.

In terms of pests, diseases, and other issues, this plant does not face significant challenges, although it may prove difficult to cultivate in a managed garden setting.

Agalinis tenuifolia Feature Summary

Agalinis tenuifolia Image Gallery

Tags

#showy flowers
#wildlife plant
#purple flowers
#pink flowers
#wet sites
#NC native
#thickets
#naturalizes
#wind dispersed seeds
#self-seeding
#disturbed areas
#native wildflower
#native annual
#larval host plant
#NC Native Pollinator Plant
#late summer flowers
#butterfly friendly
#butterfly larvae
#early fall flowers
#pollinator garden
#common buckeye butterfly
#wet soils intolerant

Similar Plants

Agalinis tenuifolia is often confused with:

Agalinis tenuifolia Feature Summary

Attributes
Canada, Central and Eastern North America
Members of the genus Agalinus support butterfly larvae and adults. Common Buckeye (Junonia coenia) larvae appear from May to October and in the deep south they appear year-round. Common Buckeye adult butterflies feed on flower nectar. Members of the genus Agalinis support the following specialized bee: Anthophorula (Anthophorisca) micheneri, Leaf-cutting bees (Megachile spp.). Syrphid flies feed on pollen.
Fruit
1/4" shiny globular capsule with wind dispersed seeds.
< 1 inch
Flowers
Single purple pink bell to funnel shaped flowers form in the upper leaf axils. They have 5 lobes and a spotted throat and hairy edges. The two top petals are smaller and form a hood the larger three lower petals flare out. Stamen and style are white. Flowers are short-lived lasting only a day or two and only a few flowers on a branch bloom at a time. The flowers are on a longer pedicle (flower stalk) than A. purpurea.
Pink
Purple/Lavender
4-5 petals/rays
fused petals
Funnel
Bell
Leaves
Simple, linear, 3/4"-2" long 1/8" wide with entire margins and large midrib vein. In dry conditions leaves may take on a purple -red hue.
Green
Red/Burgundy
Purple/Lavender
1-3 inches
< 1 inch
Stem
Angled stems with narrow ridges, green but can turn purple-red in drought, smooth to the touch.
Purple/Lavender
Green
Red/Burgundy
Smooth (glabrous)
Whole Plant Traits
Annual
Native Plant
Wildflower
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Good Drainage
Moist
Occasionally Wet
Occasionally Dry
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
2a
2b
3a
3b
9a
9b
10a
10b
Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky
Landscape
Butterfly Garden
Pollinator Garden
Native Garden
Woodland
Meadow
Naturalized Area
Coastal
Riparian
Butterflies
Pollinators
Specialized Bees

Agalinis tenuifolia Attributes

Agalinis tenuifolia: Country Or Region Of Origin

Canada, Central and Eastern North America

Agalinis tenuifolia: Wildlife Value

Members of the genus Agalinus support butterfly larvae and adults. Common Buckeye (Junonia coenia) larvae appear from May to October and in the deep south they appear year-round. Common Buckeye adult butterflies feed on flower nectar. Members of the genus Agalinis support the following specialized bee: Anthophorula (Anthophorisca) micheneri, Leaf-cutting bees (Megachile spp.). Syrphid flies feed on pollen.

Agalinis tenuifolia: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Agalinis tenuifolia: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Agalinis tenuifolia Fruit

Agalinis tenuifolia: Fruit Description

1/4" shiny globular capsule with wind dispersed seeds.

Agalinis tenuifolia: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Agalinis tenuifolia: Display/Harvest Time

Fall
Spring
Summer
Winter

Agalinis tenuifolia: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Agalinis tenuifolia: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Agalinis tenuifolia Flowers

Agalinis tenuifolia: Flower Description

Single purple pink bell to funnel shaped flowers form in the upper leaf axils. They have 5 lobes and a spotted throat and hairy edges. The two top petals are smaller and form a hood the larger three lower petals flare out. Stamen and style are white. Flowers are short-lived lasting only a day or two and only a few flowers on a branch bloom at a time. The flowers are on a longer pedicle (flower stalk) than A. purpurea.

Agalinis tenuifolia: Flower Color

filter_vintage
Pink
filter_vintage
Purple/Lavender

Agalinis tenuifolia: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Agalinis tenuifolia: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Agalinis tenuifolia: Flower Bloom Time

Winter
Spring
Summer
Fall

Agalinis tenuifolia: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Agalinis tenuifolia: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Agalinis tenuifolia Leaves

Agalinis tenuifolia: Leaf Description

Simple, linear, 3/4"-2" long 1/8" wide with entire margins and large midrib vein. In dry conditions leaves may take on a purple -red hue.

Agalinis tenuifolia: Leaf Color

spa
Green
spa
Purple/Lavender
spa
Red/Burgundy

Agalinis tenuifolia: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Agalinis tenuifolia: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Agalinis tenuifolia: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Agalinis tenuifolia: Hairs Present

No
Yes

Agalinis tenuifolia: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Agalinis tenuifolia: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Agalinis tenuifolia Stem

Agalinis tenuifolia: Stem Description

Angled stems with narrow ridges, green but can turn purple-red in drought, smooth to the touch.

Agalinis tenuifolia: Stem Color

grass
Green
grass
Purple/Lavender
grass
Red/Burgundy

Agalinis tenuifolia: Stem Is Aromatic

No
Yes

Agalinis tenuifolia: Stem Cross Section

Angular
Oval
Round
Square

Agalinis tenuifolia: Stem Surface

Corky Ridges
Covered with a powdery bloom (glaucous)
Dull
Hairy (pubescent)
Polished
Smooth (glabrous)

Agalinis tenuifolia Whole Plant Traits

Agalinis tenuifolia: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Agalinis tenuifolia: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Agalinis tenuifolia: Maintenance

Low
Medium
High

Agalinis tenuifolia: Texture

Fine
Medium
Coarse

Agalinis tenuifolia Cultural Conditions

Agalinis tenuifolia: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Agalinis tenuifolia: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Agalinis tenuifolia: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Agalinis tenuifolia: NC Region

Coastal
Mountains
Piedmont

Agalinis tenuifolia: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b
thermostat
2a
thermostat
2b
thermostat
3a
thermostat
3b
thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Agalinis tenuifolia: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Agalinis tenuifolia Landscape

Agalinis tenuifolia: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Agalinis tenuifolia: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Agalinis tenuifolia: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Agalinis tenuifolia: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees