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Veronicastrum virginicum

Veronicastrum virginicum
culver's root
Veronicastrum virginicum
Dramatic seed spikes, too

Common name culver's root
Family scrophulariaceae
Life cycle perennial (Z3-8)
Flowers white or pale blue (summer)
Size 4-7'
Light sun
Cultural notes ordinary garden soil (not too dry)
From seed Seed probably loses viability within a few years; fresh seed germinates easily at room temperature.
detailed seed-starting info below
Seed ripenslate September

I'd heard fellow gardeners rave about this plant, with whorled leaves and long flower spikes, but it took several attempts, both purchasing at nurseries and starting from seed, to establish it in our garden. Finally, a few of our seed-grown plants took hold, and have been quite steadfast ever since. They produce their graceful flowers in early summer. I like how the spikes curve around in interesting directions.

culver's root
Veronicastrum virginicum
Attractively whorled dark-green leaves

We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston.

Seed for this plant is included on my seed trade list

About my plant portraits
PlantLinks to other web pages about Veronicastrum virginicum

Seed-starting details for this plant

  1. Seed for 'Fascination' from '02 trade. Baggy 70F with light (19d) - 35F (6w) - 70F (2w). No germination.
  2. Seed from Seeds of Change '03 packet, via '04 trade. Baggy 70F (27d; 22%G, 8-17d) - 35F (6w) - 70 (7d)
  3. Seed from '07 garden. Baggy 65F with light (72%G, 8-13d)
  4. Seed from '09 garden. Baggy 70F with light (64%G, 7-12d)
  5. Seed from '10 garden. Baggy 70F with light (reasonable G, 7-12d)
  6. Seed from '10 garden. Baggy 70F with light (~90%G, 6-15d)
  7. Seed from '10 garden. Baggy 70F with light (good G, 8-12d)
  8. Seed from '10 garden. Baggy 70F with light (no G, 30d)
  9. Seed from '14 garden. Baggy 70F with light (~56%G, 8-10d)

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