Digitalis ferruginea "Gelber Herold" (Yellow Harbinger) is a perennial foxglove from the Balkans. Its tall spires of yellow-red flowers are veined in rusty red on the inside. Growing to five feet tall, this perennial foxglove could easily be the focal point and star of the garden. "Rusty Foxglove" has a long blooming period in sun or part shade and well-drained soil. Zones 4-9. Quarts.
Digitalis lanata, also known as Wooly Foxglove because of the texture of the leaves, is another beauty for the garden. Digitalis lanata grows to three feet tall and is covered with creamy white blooms, each with purple/brown veining. It grows in full sun/partial shade in Zones 4-9. And although sometimes considered biennial instead of perennial, who cares? Let it reseed, and it will be somewhere with you forever. And that's what I like about it. Because of agricultural restrictions, Digitalis lanata cannot be sent to Minnesota, but I can't imagine why. (Illustration from Curtis's Botanical Magazine by John Sims, via Wiki Commons, and in the public domain). Zones 4-9.
There are just never enough Foxgloves to consider for the garden, and this is one that is very special. From Spain, Digitalis parviflora blooms in early summer with two-foot stalks of reddish brown tubular blooms. It is long lived, completely hardy, attractive to hummingbirds, bees, and butterflies, and, like all the Foxgloves I'm acquainted with, is deer resistant. Plant it near the front of the border or where it's easily accessible, as these blooms need closer inspection. Full sun/partial shade in well-drained soil in Zones 4-9. (Photo by H. Zell, License CC-BY-SA, via Wiki Commons)
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Digitalis x mertonensis (Strawberry Foxglove) is quite showy: clump forming, deep green, fuzzy leaves and large, showy strawberry-pink tubular flowers. Strawberry Foxglove is considered a biennial, but like other biennial foxgloves, it deserves a place in the garden. Often, if the flowering stem is cut back after blooming, another plant will develop from the side, giving another plant and another year of blooms. Also, after blooming, the clumps can often be divided and replanted. Strawberry Foxglove grows in sun with some much appreciated shade, to about three feet in moist, well-drained soil. Zones 4-8. Quarts.
This is for all of you gardeners out there who do not grow this, the most beautiful of foxgloves. That's my opinion, of course, but it happens to be true. If you have never had this biennial in your garden, I can tell you that the trick to making it perennial in the garden is to plant it two years in a row. After that, the seeds take care of the rest. It is also my opinion that you can never, ever - not even in a million years - have too many of these. I recently saw a hillside covered in hundreds of them, and it took my breath away. These are grown from my own collected seeds - white and pink, mixed - because I'm not good at organization. Whether you buy them here or somewhere else, or sow the seeds yourself, just be sure to get them into your garden. These grow to at least four feet in partial shade. The white and pink blooms with freckled interiors are bee, butterfly, and hummingbird magnets, but because they are poisonous, the deer leave them alone. Zones 4-8. Quarts.
New for 2017 - Available late spring
This lovely clump-forming perennial foxglove is native to Turkey and while it is short-lived perennial, like most foxgloves, it will reseed, maintaining a presence in your garden.
Digitalis trojana grows to two and a half feet tall in sun/ part shade/shade and average, well-drained soil. Its blooms are pale amber, with throats of gold with rust veining, and a white lip. This long bloomer is attractive to bees and is deer and rabbit proof. Hardy to Zone 5. (Photo by Peter A. Mansfeld [CC BY 3.0 http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons)