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Coral Bells 'Primo™ Mahogany Monster' {1-Gallon pot}
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Heuchera × 'Primo™ Mahogany Monster' (AKA Alumroot 'Primo™ Mahogany Monster')
Pronunciation: HEW-ker-uh eks PREE-moh muh-HOG-uh-nee MON-ster
Product: 201177
Shipping description: This product cannot be shipped to ID, and cannot be shipped from early May to early October to AZ, CA, MT, NV, OR, UT, or WA.
NOTE: Shipments to AZ, CA, MT, NV, OR, UT, or WA require 7-10 days to prepare the required paperwork.

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1 - 9: $43.47 each10 - 99: $41.30 each
100+: $39.12 each
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Content note — AI-assisted: Some images, descriptions, and specs on this page may have been generated with AI and might not be perfect. If you’re new to this plant, please check verified photos [here] and feel free to contact us with questions.
If you want bold, season-long foliage color, Heuchera × 'Primo™ Mahogany Monster' delivers with massive, glossy mahogany-red leaves that stay attractive from spring through hard frost. This coral bells selection forms a dense clump about 12-16 inches tall and matures to roughly 22-28 inches wide, topped in summer with airy stems of light pink buds that open to soft cream blooms.

Plant it in humus-rich, well-drained soil and give it consistent moisture while it establishes. It grows well in sun or shade, but in hotter climates you will get the best leaf color and less stress with afternoon shade. Keep the crown slightly above the soil line, avoid waterlogged sites, and mulch lightly to even out moisture without burying the crown. Space plants about 22-28 inches apart to allow good airflow and full clump development.

For easy care, remove tired leaves in early spring to refresh the plant, and trim spent flower stems after bloom if you prefer a tidier look. Pair it with fine-textured grasses, ferns, hostas, brunnera, hellebores, or spring bulbs for a high-contrast planting that looks polished from early season into fall.

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