Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Rudbeckia > Rudbeckia maxima

Rudbeckia maxima (Great Coneflower)

Wikipedia Abstract

Rudbeckia maxima, the great coneflower, is a flowering plant in the Asteraceae family, which is used like an ornamental plant. They can reach a maximum height of eight feet. Once it produces seeds, finches and other small birds come to feed on them.
View Wikipedia Record: Rudbeckia maxima

Attributes

Allergen Potential [1]  Medium
Screening - Summer [2]  Porous
Screening - Winter [2]  Porous
Bloom Period [2]  Summer
Drought Tolerance [2]  None
Fire Tolerance [2]  None
Frost Free Days [2]  6 months
Fruit/Seed Abundance [2]  Medium
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Fall
Growth Form [2]  Single Stem
Growth Period [2]  Spring
Growth Rate [2]  Rapid
Leaf Type [2]  Deciduous
Lifespan [2]  Perennial
Propagation [2]  Container, Seed
Regrowth Rate [2]  Moderate
Root Depth [2]  12 inches (30 cm)
Seed Spread Rate [2]  Moderate
Seed Vigor [2]  High
Seeds Per [2]  999998 / lb (2204620 / kg)
Shape/Orientation [2]  Erect
Structure [3]  Herb
Vegetative Spread Rate [2]  None
Flower Color [2]  Yellow
Foliage Color [2]  Gray-Green
Fruit Color [2]  Black
Flower Conspicuous [2]  Yes
Height [2]  9.84 feet (3 m)
Hardiness Zone Minimum [2]  USDA Zone: 4 Low Temperature: -30 F° (-34.4 C°) → -20 F° (-28.9 C°)
Light Preference [2]  Full Sun
Soil Acidity [2]  Mostly Acid
Soil Fertility [2]  Intermediate
Water Use [2]  High

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0