|
| Identification |
|
Genus
Rudbeckia
Species
hirta
Variety
Cultivar
Common names
coneflower
black-eyed Susan
Family
ASTERACEAE
Specimen number
S11797
Data source
ColorNat p13;HtZn p164;Xeri p276
|
| Life cycle |
|
Life form
Terrestrial
Life cycle
Annual
Life span
1 year
Annual cycle
Not applicable
Stature
Various
Growth form
Not applicable
Growth habit
Various
Overall height
1' - 3'
Overall spread
|
| Climate |
|
Sunshine
Various
Water
No extra water
Optimal soil texture
Various
Acceptable soil pH
Soil pH 06-07
USDA hardiness
USDA zones 04a-09b
AHS heat zones
Heat zones 09-02
Sunset climate zones
Not classified
|
| Garden |
|
Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
This plant is often used as cut flowers. This whole plant as well as the flowers and the petals and the leaves has been used in traditional fabric dyeing. A range of possible colors can be produced by Rudbeckia hirta including pale yellow, green, greenish gold, golden yellow and olive green. It is traditionally used to dye wool. (The mordants used for fixing the dye include: alum, chrome, iron.) Coneflower (also known as black-eyed Susan) can survive very cold winters with annual averages as low as -30� Fahrenheit. This plant needs summer days with high heat. This species requires no extra water once established.
|
| Special qualities |
|
Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Cut flowers
Symbiosis
Attracts butterflies
no
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
|
| Adverse factors |
|
Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Hay fever season
Adverse qualities
|
| Herbal medicine |
|
Medicinal properties
Medicinal parts
Has medicinal uses
no
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Medicinal notes
|
| Traditional uses |
|
Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Whole plant
Flowers
Petals
Leaves
Dye color
pale yellow,green,greenish gold,golden yellow,olive green
|
| Cultivation |
|
Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Warm
Fertilizer
Typical
Time to harvest
|
| Nutrition |
|
Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
|
| Horticulture |
|
Horticulture notes
It requires warm days for good production.
|
| Herbarium |
|
Tag needs printing
no
Collection notes
Rudbeckia hirta has an annual life cycle. Flowers: Coneflower (locally known in some parts as black-eyed Susan) has sunshine like rays of petals surrounding dark centers; borne in abundance. The flowers are usually either yellow or gold with prominent chocolate and black accents.
|
Page 4196 of 4998
|
family 
