| Scientific Name: |
Rudbeckia hirta |
| Common Name: |
Black-Eyed Susan |
| Other Common Names: |
Blackeyed Susan |
| Duration of Life: |
Annual, Biennial, Perennial |
| Bloom Color: |
Yellow, Orange |
| Soil Moisture: |
Mesic, Wet |
| Sun Requirements: |
Full, Partial |
| Plant Origin: |
Native |
| Soil Type prefered: |
Loam, Clay |
| Drought Tolerance: |
Medium |
| Flower Conspicuous: |
Yes |
| Soil Fertility Requirement: |
Medium |
| Moisture Use: |
Medium |
| Shade Tolerance: |
Intolerant |
| Growing Zone: |
3,4,5,6,7,8,9 |
| Active Growth Period: |
Fall, Winter, Spring |
| Anaerobic Tolerance: |
None |
| Calcium Carbonate Tolerance: |
None |
| Bloom Period: |
Summer |
| Commercial Availability: |
Routinely Available |
| Competitivness: |
Aggressive |
| Cold Stratification Required: |
No |
| Best established via: |
Seed, Plant |
| Fall Conspicuous: |
No |
| Frost Free Days, Minimum: |
150 |
| Foliage Color: |
Green |
| Fruit/Seed Abundance: |
High |
| Fruit/Seed Period Begin: |
Summer |
| Fruit/Seed Conspicuous: |
No |
| Fruit/Seed Period End: |
Summer |
| Fruit/Seed Color: |
Brown |
| Fruit/Seed Persistence: |
No |
| Fire Tolerance: |
Medium |
| Foliage Texture: |
Coarse |
| Growth Form: |
Single Stem |
| Growth Habit: |
Forb/herb |
| Growth Rate: |
Rapid |
| Height, Mature (feet): |
1 |
| Leaf Retention: |
No |
| Low Growing Grass: |
No |
| Life Span: |
Short |
| pH (Maximum): |
7 |
| pH (Minimum): |
6 |
| Precipitation (Minimum): |
28 |
| Pounds Per Acre: |
2 |
| Protein Potential: |
Low |
| Plant Spacing: |
8 to 18 inches |
| Resprout Ability: |
No |
| Root Depth, Min. (inches): |
10 |
| Salt Tolerance: |
None |
| Shape and Orientation: |
Semi-Erect |
| Flowering Months: |
July, August |
| Small Grain: |
No |
| Seeds Per Ounce: |
96,000 |
| Seed per Pound: |
1575760 |
| Seed Spread Rate: |
Moderate |
| Seedling Vigor: |
Medium |
| Temperature, Minimum (F): |
-23 |
| Toxicity: |
None |
| Vegetative Spread Rate: |
None |
| Found in Old fields: |
Yes |
| Found in Virgin fields: |
No |
| Propagation: |
Seed |
| Palpable: (eatable) |
Browse Animal (Low), Graze Animal (Low) |
| Where Found in S.E. MN: |
|
| Pronounciation: |
(ruhd-BECK-ee-uh HER-tah) |
| Category: |
Dicot |
| Division: |
Magnoliophyta |
| Class: |
Magnoliopsida |
| Order: |
Asterales |
| Family: |
Asteraceae |
| Genus: |
Rudbeckia |
