Contents
Description
Rudbeckia Hirta Denver Daisy is a perennial flowering plant that belongs to the Asteraceae family. This plant is native to North America and is commonly known as Black-eyed Susan or Gloriosa Daisy. The plant has a long blooming season, from early summer to fall, and produces bright and showy yellow flowers that have dark centers. The plant can grow up to 2 feet tall and has a spread of about 1 foot.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Rudbeckia |
Appearance
The Rudbeckia Hirta Denver Daisy has a clumping habit and produces bright yellow flowers that have dark brown centers. The flowers grow up to 4 inches in diameter and bloom from early summer to fall. The plant has long, lance-shaped leaves that are green and hairy. The plant can grow up to 2 feet tall and has a spread of about 1 foot.
Care Guide
To care for the Rudbeckia Hirta Denver Daisy, it is important to ensure the plant receives enough water, fertilization, sunlight, and soil. This plant is hardy in USDA zones 3 to 9.- Water: The plant needs regular watering during the growing season, but it is important not to overwater as the plant can be prone to root rot. Water the plant deeply once a week and allow the soil to dry out between watering.- Fertilization: Fertilize the plant in early spring with a balanced fertilizer. Repeat the process every four weeks during the growing season.- Soil: The plant prefers well-drained soil that is rich in organic matter. Add compost or aged manure to the soil before planting.- Sunlight: The plant prefers full sun but can tolerate partial shade.- Hardiness Zones: The plant is hardy in USDA zones 3 to 9.
Common Pests & Diseases
The Rudbeckia Hirta Denver Daisy can be prone to some pests and diseases, including:- Aphids: These pests can suck the sap from the plant, causing stunted growth and distorted leaves.- Spider mites: These pests can cause the leaves to become yellow and speckled.- Powdery mildew: This fungal disease can cause a white powder-like substance to appear on the leaves.To prevent these pests and diseases, it is important to keep the plant healthy and well-watered.
Habitat
The Rudbeckia Hirta Denver Daisy is native to North America and can be found in meadows, prairies, and open woodlands. The plant prefers well-drained soil and can tolerate drought conditions.
Question and Answer
Q: Is the Rudbeckia Hirta Denver Daisy a perennial or annual plant?
A: The Rudbeckia Hirta Denver Daisy is a perennial plant.Q: What is the blooming period of the Rudbeckia Hirta Denver Daisy?
A: The Rudbeckia Hirta Denver Daisy blooms from early summer to fall.Q: What is the hardiness zone of the Rudbeckia Hirta Denver Daisy?
A: The Rudbeckia Hirta Denver Daisy is hardy in USDA zones 3 to 9.Q: What pests and diseases can the Rudbeckia Hirta Denver Daisy be prone to?
A: The Rudbeckia Hirta Denver Daisy can be prone to aphids, spider mites, and powdery mildew.
Related Plants
– Rudbeckia hirta ‘Cherokee Sunset’- Rudbeckia hirta ‘Indian Summer’- Rudbeckia hirta ‘Prairie Sun’
References
– The New Sunset Western Garden Book; Kathleen Norris Brenzel; 2012- https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/black-eyed-susan-flower.htm- https://www.gardenia.net/plant/rudbeckia-hirta-denver-daisy-black-eyed-susan-gloriosa-daisy
