Rudbeckia occidentalis 'Green Wizard' 0
Author: Hortulanorum (Horticole)Family: Asteraceae Subfamily: Asteroideae Tribe: Heliantheae
Genus: Rudbeckia
English name: California coneflower 'Green Wizard'
Zone: California
References for the genus
- A taxonomic revision of Rudbeckia subg. Macrocline (Asteraceae: Heliantheae: Rudbeckiinae), Patricia B. Cox and Lowell E. Urbatsch. Castanea 1994 Vol. 59(4) pag. 300-318. JStor
- eFloras. eFloras.org Vol. 1 pag. 128840. Rudbeckia
- Synopsis of Rudbeckia subgenus Tudbeckia, Robert E. Perdue. Rhodora 1957 Vol. 59(708) pag. 293-299. JStor
- Exciting Black-Eyes Susan (Rudbeckia spp.): Breeding Challenges and Opportunities, Horotán, Katalin and László, Orlóci and Hamar-Farkas, Dóra and Nemenyi, Andras and Kisvarga, Szilvia. Breeding of Ornamental Crops: Annuals and Cut Flowers 2025 Vol. 6 pag. 221-261. DOI
- eFloras. eFloras.org Vol. 1 pag. 128840. Rudbeckia
- Synopsis of Rudbeckia subgenus Tudbeckia, Robert E. Perdue. Rhodora 1957 Vol. 59(708) pag. 293-299. JStor
- Exciting Black-Eyes Susan (Rudbeckia spp.): Breeding Challenges and Opportunities, Horotán, Katalin and László, Orlóci and Hamar-Farkas, Dóra and Nemenyi, Andras and Kisvarga, Szilvia. Breeding of Ornamental Crops: Annuals and Cut Flowers 2025 Vol. 6 pag. 221-261. DOI
General specifications
Biological type: plant
Frost resistance: 5şF
Leaf color: dark green
Flower color: black
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes
Specifications for the Mediterranean basin
Adult size (h x w): 4,9ft x 1,6ft
Sun exposure: part sun (Sun hours: >3h <6h Foliage: deciduous
Growth: fast
Flowering time from June until October
Specific information for our garden
Planting substrate: 30%Compost+30%Coco+40%Sand
Plant watering: 3x a week pH 6.5
Logical sequence of containers for: Perennials; forestry plate 8cm, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by root division
Frost resistance: 5şF
Leaf color: dark green
Flower color: black
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes
Specifications for the Mediterranean basin
Adult size (h x w): 4,9ft x 1,6ft
Sun exposure: part sun (Sun hours: >3h <6h Foliage: deciduous
Growth: fast
Flowering time from June until October
Specific information for our garden
Planting substrate: 30%Compost+30%Coco+40%Sand
Plant watering: 3x a week pH 6.5
Logical sequence of containers for: Perennials; forestry plate 8cm, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by root division
Sowing instructions
SPRING Sow the seeds at 2mm depth in the Well Drained Seed Sowing Mix between 64-72°F. During germination keep the substrate moist and in daylight.
Germination references
- Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination, Baskin, Carol & Baskin, J.M. 2014 pag. 1-1586. DOI
Germination references for the genus
- Exciting Black-Eyes Susan (Rudbeckia spp.): Breeding Challenges and Opportunities, Horotán, Katalin and László, Orlóci and Hamar-Farkas, Dóra and Nemenyi, Andras and Kisvarga, Szilvia. Breeding of Ornamental Crops: Annuals and Cut Flowers 2025 Vol. 6 pag. 221-261. DOI
Germination references
- Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination, Baskin, Carol & Baskin, J.M. 2014 pag. 1-1586. DOI
Germination references for the genus
- Exciting Black-Eyes Susan (Rudbeckia spp.): Breeding Challenges and Opportunities, Horotán, Katalin and László, Orlóci and Hamar-Farkas, Dóra and Nemenyi, Andras and Kisvarga, Szilvia. Breeding of Ornamental Crops: Annuals and Cut Flowers 2025 Vol. 6 pag. 221-261. DOI
This plant is available from the following nurseries
Experiences in the garden
20-03-19A Obtaining 6 plants from nursery Lepage (Cultivated from unknown origin)
08-04-21 6x Dead plant: No information.