Mini Marvels™ 'Twilight' Carpathian Bellflower (Campanula carpatica)
You can only choose one Ship Week per order for all plants in order to check out.
How Does Proven Winners® Measure Plant Sizes?
We list our plants by container size, which reflects the amount of soil and root growth each plant has when it ships. Actual plant height and width vary by variety and season, and many plants grow quickly as the weather warms.
To help you understand what to expect, refer to our size guide below. You can also find each plant’s approximate arrival size and mature size on its product page.
How Does Proven Winners® Measure Plant Sizes?
How Does Proven Winners® Measure Plant Sizes?
Plant Height By Container Size
This chart highlights the typical heights for each size category while also showing how container sizes compare, giving you a clear, straightforward way to understand plant size at arrival and choose the best fit for your gardening needs.
This chart shows typical plant heights and compares container sizes, helping you quickly understand arrival size and choose the best fit.
Soil Volume By Container Size
This chart shows the typical soil volume for each container size, listed in both imperial and metrics units for easy comparison.
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Exceptionally compact and perfectly sized for small spaces, Mini Marvels™ Twilight Carpathian Bellflower brings refined color to the front of borders or tight garden spots. Its indigo-blue blooms with crisp white interiors create a striking contrast that draws in hummingbirds and bees—while deer wisely stay away.
- 6-8 inches tall and 10-12 inches wide at maturity
- Hardy in zones 3-8, be sure to check your USDA zone to ensure success
- Plant in part to full sun (4+ hours daily)
- Space plants 10-12 inches apart for best results
- Produces indigo blue flowers with white centers flowers during late spring, summer
- Maintains green foliage spring to fall
- Great for borders, containers, edges, mass plantings
- Attracts bees, hummingbirds and resists deer
- Compact habit, long blooming
- Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom
Care: Fertilize with Proven Winners Continuous Release Plant Food in spring and mid-summer. Requires moist, well-drained soil and will grow in either sun or partial shade.
Shipping Info:
- Enjoy free shipping on orders over $175
- Size at shipping varies by season, plant, and trimming schedules
- Quart perennials are 5-8 in tall and 6 months to 1 year old at shipment
- Trade Gallon perennials are 6-14 in tall and about 1 year old at shipment
- 1 Gallon perennials are 6-24 in tall and about 1 year old at shipment
