Campanula rotundifolia Thumbell Blue

Thumbell Blue Bellflower (Bluebells)

Campanula rotundifolia Thumbell Blue, Thumbell Blue Bluebells View Larger Image

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Thumbell Blue Bluebells (Campanula rotundifolia 'Thumbell Blue') blooms for many months with a profuse display of nodding blue flowers held on wiry stems. This long-blooming perennial thrives in partial shade.

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Zones
4 - 8 (Hardy in your zone)
Advantages
Native
Extended Bloom Time (more than 4 weeks)
Light Requirements
Full Sun
Full Sun
Morning Sun & Afternoon Shade
Morning Sun & Afternoon Shade
Annual Rainfall
2030
20 to 30"
3040
30 to 40"
Bloom Time Late spring to summer
Shipping Buy now and we'll ship your order during the ideal planting time for your region. Orders with this item will begin shipping the week of Feb. 25 and continue through mid-June. Expected ship week will display at checkout after you enter your zip code. More shipping info. Learn More…
Size Plant - 2.5" deep pot
SKU HBLWR21

Details

8” tall x 10-12” wide. Thumbell Blue Bluebells (Campanula rotundifolia 'Thumbell Blue') is a tidy, long-blooming perennial that thrives in partial shade. Thumbell Blue Bluebells blooms for many months with a profuse display of nodding blue flowers held on wiry stems. Campanula rotundifolia 'Thumbell Blue') is an improved selection of this Northern Hemisphere wildflower that blooms more heavily and has a more uniform growth habit. This is a ideal perennial for spots with morning sun. It thrives in full sun at higher elevation, mountain locations.
SKU HBLWR21
Common Name Thumbell Blue Bellflower (Bluebells)
Botanical Name Campanula rotundifolia Thumbell Blue
Zones 4, 5, 6, 7, 8
Light Requirements Full Sun, Morning Sun & Afternoon Shade
Flower Color Blue
Mature Height 8" tall
Mature Spread 8-10" wide
Bloom Time Late spring to summer
Ships As Potted Plant
Native Yes
Planting Time Spring / Summer, Fall
Soil Type Clay Soil, Sandy Soil, Average Soil, Compost Enriched Garden Loam Soil, Low Fertility Soil, Well-Drained Soil
Soil Moisture Average
Amount of Rain 20 to 30", 30 to 40"
Advantages Native, Extended Bloom Time (more than 4 weeks)
Ideal Region Anywhere In The US, Suitable Above 7000 ft, Northeast, Midwest, Southwest, West, Pacific Northwest
Neonicotinoid-Free Yes - Learn More
Ships to Hawaii, Alaska & Canada No

Planting Guides

Tips On Growing Campanula (Bluebells)

Campanula (Bluebells) is a large genus of primarily Old World species known for their showy blue flowers.

Preferred growing conditions:

  • Plant in most any soil including clay with full sun to partial shade conditions.
  • Mulch with most common mulch materials. Mulching not needed in Eastern US.
  • Keep regularly watered and don't let them get too dry.
  • Fertilize lightly in fall with Yum Yum Mix/compost blend.

Special comments:

  • Deadhead to prolong blooming. Leave some seeds to ripen to encourage plants to re-seed themselves.
  • Cut back hard to just above the ground in mid-spring.

View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.

Shipping

Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Expected ship week will display on the cart at checkout after you enter your zip code. Spring-Planted Perennial and Bulb orders will ship from Feb 25 through mid-June, warmest zones first.

Most plant and bulb orders arrive within 2-6 days, or less, of leaving our greenhouses in Colorado. This prompt delivery is provided without additional express charges.

Grass Plugs Will ship at planting time in spring, beginning in late February.

Wildflower Seed & Grass Seed Orders ship within 2-3 days.

Standard shipping costs are $4.99 and up, depending on the size of the order.

Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.

More Shipping Info

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(2 of 2 customers found this review helpful)

 
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Delicate

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from Los Alamos

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I planted two of these in a half sun, half shade spot last June. They did not thrive in the dry shade of Northern New Mexico. I watered them twice a week to help them establish, but no luck. They seemed very delicate, perhaps too delicate for our high altitude, cold winters, and dry summers. They did not poke back up this Spring.

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Q & A

Suggested Companion Plants:

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

Find Your Planting Zone:

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