Primo® 'Mahogany Monster' Coral Bells (Heuchera)
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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Primo® ‘Mahogany Monster’ commands attention with its massive, glossy leaves in rich mahogany red, forming a bold and substantial clump of foliage. Tall burgundy flower stems rise above the leaves, carrying soft light pink buds that open to elegant cream-colored blooms. This striking perennial is deer resistant and a magnet for butterflies and hummingbirds, making it as resilient as it is beautiful in the garden.
- 12-16 inches tall and 22-28 inches wide at maturity
- Scape height 32-38 inches
- Hardy in zones 4-9, be sure to check your USDA zone to ensure success
- Plant in sun or shade
- Space plants 22-28 inches apart for best results
- Produces light pink buds with cream flowers in mid summer
- Maintains glossy, mahogany red foliage spring to hard frost, evergreen where winters are mild
- Great for borders, landscapes, edging, containers, cut flower, mass planting or as a focal point
- Attracts bees, butterflies and hummingbirds
- Native to North America, salt tolerant, foliage interest, fall and winter interest
- Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom
Care: Trim back tattered foliage in early spring. Fertilize with Proven Winners Continuous Release Plant Food in spring.
Shipping Info:
- Enjoy free shipping on orders over $175
- Size at shipping varies by season, plant, and trimming schedules
- 0.65 Gallon plants are 6-12" tall at shipment
- Quart plants are 5-8" tall at shipment
