Grindelia robusta
Californian Gumweed · August flower · Gumweed · Shore grindelia
Description
Source: leafsnapGrindelia robusta, commonly known as gumweed or rosinweed, is a perennial plant in the Asteraceae family. Native to North America, it thrives in diverse habitats like prairies, meadows, and open woodlands. This distinctive plant features yellow flowers that bloom from July to September, surrounded by bracts covered in resinous glands, which give gumweed its name. The leaves are similarly endowed with resinous glands, imparting a sticky texture. For centuries, Native American tribes have utilized Grindelia robusta for its medicinal properties, especially as an herbal remedy for respiratory ailments like asthma and bronchitis due to its expectorant qualities. Beyond its medicinal uses, Grindelia robusta holds ecological importance, providing food and habitat for various pollinators, including bees and butterflies. In summary, Grindelia robusta stands out as a plant of unique attributes, significant both ecologically and culturally, thanks to its traditional medicinal uses by Native American tribes.
Care Guide
💧 Water Every 7 days
☀️ Light Full sun
Continuous exposure to a lot of sunlight is necessary for the healthy development of hairy gumplant. This is influenced by its native environment which typically experiences a large amount of sunlight, a factor that fundamentally shapes its growth. However, it demonstrates resilience to changes in light conditions as both excessive and insufficient light affect it minimally.
🌡️ Temperature 15–37.8°C
The Hairy gumplant is a flora that is indigenous to climates with temperature ranges from 59 to 100 degrees Fahrenheit (15 to 38 °C). It thrives in areas with moderate to warm weather. To promote its best growth, the ambient temperature should be manipulated to mimic its original habitat.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
The optimal period for fertilizing a Hairy gumplant is in the onset of spring, as it comes out of dormancy and commences active development. Fertilization delivers crucial nutrients necessary for its robust growth. Even though the Hairy gumplant has comparatively modest fertilization requirements, yearly fertilization can boost its longevity and foster superior, more durable blooms.
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Herb, Shrub
- Life Cycle
- Perennial
- Genus
- Grindelia
- Family
- Compositae
- Hardiness Zone
- 8-11
- Mature Height
- 30 cm to 91 cm
- Mature Spread
- 91 cm
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- Yellow
- Flower Size
- 5.08 cm to 7.62 cm
- Bloom Time
- Summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall