Rudbeckia maxima - GIANT CONEFLOWER - DUMBOS EARS (with ornamental, big gray leaves)
Also called cabbage-leaved coneflower due to its big, waxy gray leaves. Beautiful architectural plant that forms strictly upright clumps and is highly ornamental with its steel blue leaves, excellent structure and yellow flowers. Slowly forms bigger clumps, tolerant to black walnuts, heat, and humidity.
Remains highly ornamental even when the bloom period is over thanks to its showy black seed heads. Excellent perennial for a sunny border, cottage garden, prairie planting, pollinator garden, bird garden, rain garden or for naturalizing.
The best combinations are with these perennials (they will meet in bloom): Coreopsis tinctoria, Eryngium yuccifolium, Eupatorium, Liatris, Monarda, Phlox paniculata, Physostegia virginiana, Rudbeckia, Veronicastrum and grasses or common perennials like Hemerocallis (daylily) or Perovskia.
This coneflower was discovered by English botanist and plant explorer Thomas Nuttall in 1816 near the Red River in the Oklahoma Territory. The genus name honors Olof Rudbeck (1630-1702), Swedish botanist and founder of the Uppsala Botanic Garden in Sweden where Carl Linnaeus was a professor of botany.
Picture copyright : US Perennials
Blooming Time: June - July
Size: 6-7’ tall x 3-4’ wide, spacing 3-4’
USDA Zones: 5 to 9
Culture: full sun to half shade, grows best in full or partial sun. It prefers good and medium-moist soils but is adaptable to other soil types from average, sandy, or loamy to clay. Likes wet feet and tolerates short-term flooding. Once established, it's quite drought tolerant.
Moisture Needs: medium-dry, medium, medium-wet
Origin: this wildflower is native to Arkansas, Oklahoma, Louisiana, South Carolina, Texas, and has been introduced to Missouri; USDA distribution map.
Deer/Rabbit Resistant: yes / mostly yes
Attracts Butterflies or Pollinators: native bees and butterflies
Attracts Hummingbirds: no, but attracts goldfinches and other small birds
Pot Size: 3.5" x 4" perennial pot (1.22 pt/580 ml)
Rudbeckia maxima - GIANT CONEFLOWER - DUMBOS EARS (with ornamental, big gray leaves)
Also called cabbage-leaved coneflower due to its big, waxy gray leaves. Beautiful architectural plant that forms strictly upright clumps and is highly ornamental with its steel blue leaves, excellent structure and yellow flowers. Slowly forms bigger clumps, tolerant to black walnuts, heat, and humidity.
Remains highly ornamental even when the bloom period is over thanks to its showy black seed heads. Excellent perennial for a sunny border, cottage garden, prairie planting, pollinator garden, bird garden, rain garden or for naturalizing.
The best combinations are with these perennials (they will meet in bloom): Coreopsis tinctoria, Eryngium yuccifolium, Eupatorium, Liatris, Monarda, Phlox paniculata, Physostegia virginiana, Rudbeckia, Veronicastrum and grasses or common perennials like Hemerocallis (daylily) or Perovskia.
This coneflower was discovered by English botanist and plant explorer Thomas Nuttall in 1816 near the Red River in the Oklahoma Territory. The genus name honors Olof Rudbeck (1630-1702), Swedish botanist and founder of the Uppsala Botanic Garden in Sweden where Carl Linnaeus was a professor of botany.
Picture copyright : US Perennials
Blooming Time: June - July
Size: 6-7’ tall x 3-4’ wide, spacing 3-4’
USDA Zones: 5 to 9
Culture: full sun to half shade, grows best in full or partial sun. It prefers good and medium-moist soils but is adaptable to other soil types from average, sandy, or loamy to clay. Likes wet feet and tolerates short-term flooding. Once established, it's quite drought tolerant.
Moisture Needs: medium-dry, medium, medium-wet
Origin: this wildflower is native to Arkansas, Oklahoma, Louisiana, South Carolina, Texas, and has been introduced to Missouri; USDA distribution map.
Deer/Rabbit Resistant: yes / mostly yes
Attracts Butterflies or Pollinators: native bees and butterflies
Attracts Hummingbirds: no, but attracts goldfinches and other small birds
Pot Size: 3.5" x 4" perennial pot (1.22 pt/580 ml)
Customer Reviews
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excellent roots
The foliage on all of the plants in my order, including these, was satisfactory, often having been trimmed to help the plant survive the travel and transplant shock. However, the root systems are among the healthiest I've ever seen. Within 2 weeks my plants had new leaves popping up and even some flower buds. I will buy from US Perennials again. They are the perfect balance of plants that are small enough to be economical and yet of excellent quality.
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Rudbeckia maxima
Well packaged and healthy plant! Roots and leaves were well established.