Buy Digitalis purpurea seeds and plants. Discover the simplicity of growing biennial common or purple foxglove as well as perennial Digitalis grandiflora. Pictures of a variety of foxglove flowers.
Common purple foxglove is a tall, self-seeding biennial whose yellow, white, or pink spires tend to speak a bit more loudly than the flowers around them and will hog attention in any informal garden design.
Digitalis purpurea is the exclamation point of the plant world!
For best effect, install these 5 foot beauties at the back of a flower border, or let seedlings spring up--devil-may-care style--in cottage garden beds.
Here, Foxgloves and Delphiniums Punctuate Parterres
To add height to the garden, stick with Digitalis purpurea cultivars. If you want a more compact plant for the front of the border, try D. grandiflora, the perennial yellow foxglove. Its buttery bloom spikes will only stretch to 3 feet.
Digitalis plants from the Foxy Mixed Colors series (for sale below) are perennials which will bloom from seed the year they are sown and grow to a height of 2-3 feet when in flower.
All are summer bloomers with a distinct preference for part day shade and rich, moisture retaining soil.
Given the humus-rich soil it prefers, purple foxglove will seed itself readily and may even naturalize. The seedlings can be dug up and moved to punctuate other areas of the garden.
Most cultivars are recommended for planting in USDA zones 3-9. Give plants growing in the northern end of this range more sun; plants growing in the southern end will need more shade and moisture.
Taller types grown in shade that is too dense may need staking.
Digitalis 'Illumination Pink', Thompson & Morgan's Plant of the Year for 2012
White Digitalis purpurea subsp. heywoodii prefers chalky soil.
Apply a water soluble fertilizer to the soil once, while the plants are in bloom.
Perennial types are hardy down to -20 degrees F. and form clumps which should be divided every few years in the spring.
At the coldest end of their growing range, plants should be mulched with shredded leaves or lightweight evergreen boughs after the ground has frozen.