Heuchera Fire Alarm
photo of Heuchera 'Fire Alarm' courtesy of Terra Nova Nurseries

Coral Bells

Touted by many as the best red to date,'Fire Alarm' is incredibly vigorous, forming a full, dense clump of large, round lobed leaves. When it emerges in spring and then again in fall it is fiery red, mellowing only slightly to mahogany red in the heat of summer. The dark red stems carry pink flowers in early through late summer. This selection fills out containers fully and delivers an excellent garden performance. 'Fire Alarm'is a Heuchera villosa hybrid. The villosa species is a large, late blooming type that exhibits an increased tolerance of high heat and humidity over other species. H. villosa is native to the southeastern United States.

  • Height: 23-25 cm (9-10 in)
  • Spread: 36-38 cm (14-15 in)
  • Cold Hardiness: Zone 4
  • Sun or Shade: part shade
  • Bloom Time: summer
  • Leaf Colour: red
  • Bloom Colour: pink
  • Critter Resistance: deer and rabbits
  • Nature Attraction: butterflies and hummingbirds

Growing and Maintenance Tips

Heucheras are easy care perennials. They like rich, well drained soil with a neutral pH. They dislike wet soils especially in the winter. Amend the soil with organic matter to enrich it but do not add peat moss which they dislike. Situate Heucheras where they will receive morning sun and shade over the hottest part of the day. Many will survive in full sun as long as there is constant moisture. Heucheras are evergreen so do not cut them back in the fall. Clean up tattered foliage in the spring. They will benefit from a winter mulch to prevent them from heaving out of the ground due to the winter freeze thaw cycle. Heucheras are somewhat salt tolerant so they can be used along pathways where salt might accumulate.

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