Geum japonicum, known as Asian herb bennet, is a yellow-flowering perennial plant native to North America and East Asia, especially Japan. It may be synonymous with Geum macrophyllum, the North American flower. As a traditional herbal remedy it is known as an astringent and used in poultices. However, in recent years, the Thunberg variant has received attention for other possible medical uses.
Yellow avens has strong resistance to disease and is generally not vulnerable to illnesses. Still, it can be affected by pests and diseases present in its environment. Such infections are typically mild. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to preserve a good appearance and encourage healthy growth. Applying fertilizer can also help stimulate flowering. Yellow avens is appropriate for anyone with outdoor space, like a garden or patio, and does not demand extensive gardening experience. It may need more attention if cultivated indoors.
How to keep Geum Japonicum.
Light
Yellow avens grows best with abundant sunlight, though it can also tolerate moderate light. Native to sun-drenched habitats, the plant's health and growth depend on this level of illumination. Both excessive and insufficient light can negatively affect its wellbeing.
Temperature
Yellow avens can tolerate a wide range of temperatures, but its distribution may still be restricted by specific combinations of moisture and heat. It does best in warm summers with sufficient rainfall or watering. Long stretches of cloudy, rainy weather or prolonged high temperatures increase the chance of Yellow avens dying. In winter, proper protection from cold can raise the plant’s survival rate.
Fertilizer
The best time to fertilize Yellow avens is in early spring, when it is coming out of dormancy and entering a period of active growth. Fertilization supplies essential nutrients needed for healthy growth. Although Yellow avens has relatively low fertilizer requirements, applying fertilizer once a year can improve its survival and encourage better, longer-lasting flowers.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Geum
- Family
- Rosaceae
- Hardiness Zone
- 3-7
- Mature Height
- 0.52 m to 1.07 m
- Mature Spread
- 20 cm to 40 cm
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- Yellow
- Flower Size
- 2.03 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Autumn, Winter
- Harvest Time
- Mid summer
- Native Area
- Turkey, Mexico, Slovakia, Romania, Poland, Belarus, Ukraine, China, Uzbekistan, Russia, Lithuania, Hungary, Kyrgyzstan, Kazakhstan, Japan, Estonia, Mongolia, Koppen, Bhutan, Azerbaijan, South Korea, Latvia, Moldova
