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PlantFiles: Yellow Foxglove
Digitalis grandiflora

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Family: Plantaginaceae
Genus: Digitalis (dig-ee-TAH-liss) (Info)
Species: grandiflora (gran-dih-FLOR-uh) (Info)

Synonym:Digitalis orientalis
Synonym:Digitalis ambigua

9 vendors have this plant for sale.

27 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Sun Exposure:
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Herbaceous
Smooth-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

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 seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 29 photos.
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Profile:

5 positives
3 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive newbiehavinfun On Apr 23, 2012, newbiehavinfun from Vineland, NJ wrote:

This is the only foxglove that I have found that reliably comes back after flowering. A true perennial. Not as tall or as large of flowers as other foxgloves. I find that the stems have a nice wave to them.

Positive hymenocallis On Feb 3, 2011, hymenocallis from Auburn, AL (Zone 8a) wrote:

This plant does well in a mostly shade garden. It flowers every year and is just a gem of a digitalis. Would recommend it to anyone in this area.

Positive arlyn On Jun 1, 2010, arlyn from Nahant, MA (Zone 7a) wrote:

The Yellow Foxglove I imported from my mother's gardens in Maine seem to be quite happy here in Nahant, MA. It took a few years for them to take hold, but this year they're nigh onto riotous and I expect that some thinning will have to happen next year. One of my favorite bits with this plant is looking *inside* that bell-shaped flower - medicine man, indeed.

Positive kniphofia On Jul 5, 2007, kniphofia from Morpeth
United Kingdom (Zone 8a) wrote:

Very tough, almost to the point of being invasive, but I really like this plant. A soft color which is lovely in a wilder garden.

Positive LilyLover_UT On Jan 17, 2005, LilyLover_UT from Ogden, UT (Zone 5b) wrote:

Although this foxglove isn't as showy as Digitalis purpurea, the soft yellow flowers with their brown netting are nice when you want something smaller and low-key. It performs surprisingly well for me in a semi-shaded spot, even though I have sandy soil that dries out quickly in the summer.

Neutral saffronx On Jul 7, 2004, saffronx from london
United Kingdom wrote:

My Grandsiflora took well to my clay-like soil in the garden. The blooms only lasted a few weeks though, i still have a few left. The foilage is still very green and growing well.Long live Digitalis!!

Neutral Baa On Aug 19, 2002, Baa wrote:

A short lived perennial Foxglove from Europe to Siberia.

Has lance - oblong, toothed, veined, mid-deep green, often hairless leaves. Bears pale yellow with spotted/veined brown inside, tubular flowers 1-2 inches long.

Flowers June-August

Loves a moist but well-drained, fertile soil in partial shade but will stand full sun where the soil is constantly moist. Excellent light woodland plant. Dislikes too much winter wet or over dry soil in summer.

It's very easy to grow from seed. They generally don't live much longer than 4-5 years at the most in my experience but they will produce quite a bit of seed after one flowering so you need not be without it.

Neutral BotanyBob On Jun 14, 2001, BotanyBob from Thousand Oaks, CA wrote:

By the way, this IS a highly toxic plant for those that might be tempted to eat your garden plants. Foxglove contains a cardiotoxin (digitalis), which in just the right amounts, has been used for centuries to help treat chronic heart failure (slows the rate of the heart beat, and increases the heart's strength)... but too much is a potent poison. Anyone out there with a heart condition taking Digoxin, or Lanoxin, that medication is from this plant.

Regional...

This plant has been said to grow in the following regions:

Auburn, Alabama
Opelika, Alabama
Waverly, Alabama
Palmer, Alaska
Flagstaff, Arizona
Denver, Colorado
Parker, Colorado
Post Falls, Idaho
Westchester, Illinois
Farmersburg, Indiana
Durant, Iowa
Sioux City, Iowa
Ewing, Kentucky
Skowhegan, Maine
Nahant, Massachusetts
Fountain, Michigan
Lake Orion, Michigan
Eupora, Mississippi
Himrod, New York
Rochester, New York
Cleveland, Ohio
Columbus, Ohio
Williamsburg, Ohio
Monmouth, Oregon
West Chester, Pennsylvania
Amelia Court House, Virginia
Leesburg, Virginia
Norfolk, Virginia
East Port Orchard, Washington
Kalama, Washington
Rhinelander, Wisconsin



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