Veronicastrum

Culver's Root

These elegant perennials impart a lofty vertical element to the late summer garden. Graced with distinctive narrow spires of densely arranged tiny flowers, Veronicastrum are native to meadows and woodlands, and are easy to grow in adequately moist soil.

Studded with lavender blue blooms, the lengthy flower spikes make an elegant presentation. Arranged in groups, they stand proudly on upright, sturdy stems, which sport spaced whorls of neat, broadly lanceolate leaves. This noble Asian native offers an admirable contrast to mounding forms, such as Amsonia hubrichtii.

Blooms July–September.

Size: 5' 0" high x 18" wide.

Hardy to zone 4.

<i>Veronicastrum sibiricum</i> ‘Red Arrows’

True to its name, this distinctive undemanding Coen Jansen introduction asserts deep rosy red buds squeezed onto a central spike, surrounded by slightly smaller side stalks all opening at the same time and presenting a unique arrow shape. Cherished by bees and butterflies, the striking spires unfurl a multitude of tiny violet flowers, while whorled lanceolate leaves attire tall steadfast stems. A glamourous upright mainstay for any planting, 'Red Arrows' soars amongst Trifolium rubens, Phlomis 'Amazon' and Sedum 'Matrona' in a prairie-style landscape or a more formal setting.

Blooms July – September.

Size: 4' 0" high x 18" wide.

Hardy to zone 4.

In addition to the stylish blooms, this sought-after Veronicastrum gives you good reason to adore it. When tall valiant stems stretch skyward, they strut prismatic purple shades that are easily spotted from a distance, promising to turn more than a few heads. Round, dense pink buds set the stage for ethereal-looking lilac flowers on candelabra-like spires, further enhancing the dashing whorls of pointed deep green leaves.

Blooms August – September

Size: 4' 0" – 5' 0" high x 2' 0" wide.

Hardy to zone 4.

<i>Veronicastrum virginicum</i> ‘Album’

Resembling glowing tapers, erect snowy white racemes tipped with green buds make a crisp, classic statement. The luminous blooms hold court above whorls of horizontally set deep green foliage that grow at intervals along sturdy upstanding stems. Veronicastrum ‘Album’ commands our attention, while it sheds light on cohorts such as Geranium ‘Jolly Bee’ or Helianthus ‘Capenoch Star’.

Blooms August – October.

Size: 4' 0" high x 15" wide.

Hardy to zone 4.

‘Apollo’s leafy stems taper delicately into foot-long lilac racemes tipped with vivid green buds, which bend and curve, adding a playful air to its imposing carriage. Display graceful ‘Apollo’ with Angelica archangelica’s rounded umbels, and the rosy plumes of Miscanthus ‘Nippon’.

Blooms August – September.

Size: 5' 0" – 5-1/2' high x 2' 0" wide.

Hardy to zone 4.

‘Erica’s strong leafy stems taper delicately into long two-toned racemes of lavish red buds and small tightly packed pale pink flowers with prominent darker stamens. Opening from the base up, the slender wands bend and curve, adding a playful air to the impressive carriage below.

Display this graceful Veronicastrum with Selenium wallichianum’s white umbels, and the rosy plumes of Miscanthus ‘Positano’.

Blooms July–September.

Size: 3' 0" – 4' 0" high x 15" wide.

Hardy to zone 4.

‘Fascination’s leafy stems taper delicately into 15 in. long lilac-rose racemes tipped with vivid green buds, which bend and curve, adding a playful air to its imposing carriage. Display this graceful Veronicastrum with Angelica archangelica’s rounded umbels, and the rosy plumes of Miscanthus ‘Nippon’.

Blooms August–September.

Size: 5' 0" – 5-1/2' high x 2' 0" wide.

Hardy to zone 4.

<i>Veronicastrum virginicum</i> ‘Lavendelturm’

Coined Lavender Towers, this imposing Ernest Pagels introduction is aptly named. Straight-up stems garbed in handsome greenery—whorled, sharply toothed and pointed—give way to long branched spikes embellished with lovely pale purple flowers.

Blooms August – September.

Size: 4' 0" – 5' 0" high x 2' 0" wide.

Hardy to zone 4.

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Saturday Strolls & Plant Chats 2018!


Current Staff's Favorite Plant

Current Staff's Favorite Plant

Our featured plant: Achillea 'Hella Glashoff'

Amazing Achilleas, Invigorate your summer plantings!

Amazing Achilleas…. These sturdy, dependable perennials produce small indivdual blooms that populate broad, flat flower heads, lending welcome horizontal elements to any garden bed. Ideal for bouquets, fresh or dried, the long-lasting blossoms range in color from alabaster to soft yellow and gold, as well as terracotta, pink and sassy red. Cut back their flowers in midsummer and enjoy a fall encore! Spicy scented, attractive fern-like green or gray-tinged foliage cloaks their strong straight stems. Slowly spreading and somewhat drought tolerant, Yarrow seem to thrive on neglect. They can handle low soil fertility plus coastal wind and salt spray. Be sure to check out our diverse on-line Achillea selections!

Invigorate your summer plantings.… A few simple maintenance techniques will help plants appear fresh throughout the upcoming dog days of summer. The addition of a chipped bark mulch or well-rotted compost, applied as a top-dressing, not only reduces water requirements, but generally makes it easier for plants to maintain perky looking leaves and vigorous habits. A July or early August trimming of long-blooming perennials, such as Nepetas and most Geraniums ensures myriad flowers that will keep on coming ‘til the first frost. Featured in this newsletter, you’ll find the fabulous plants that caught my eye as Boobah and I took our morning walk through the nursery and adjacent display borders this past week. Hopefully, you’ll have room to ensconce several of them in a well-traveled spot. Happy Digging!

Digging Dog's August 2018 Newsletter Link

For a peek at some past newsletters, please visit the following links:

Digging Dog's Late July 2018 Newsletter Link Digging Dog's July 2018 Newsletter Link Digging Dog's June 2018 Newsletter Link
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