Triadenum fraseri, commonly known as bog St. John's wort, Fraser's St. John's wort, and Fraser's marsh St. John's wort, is a perennial flowering plant in the family Hypericaceae that grows in wetlands of Canada and the northern United States. It is named after John Fraser (1750–1811), a Scottish botanist and widely travelled plant collector.
Fraser's marsh St. John's wort is generally resistant to disease and not highly prone to illness. However, it can be vulnerable to pests and diseases present in its environment. These problems are usually mild. In terms of care, the plant requires moderate maintenance. It should be pruned regularly to maintain a neat appearance and support healthy growth. Fertilizing can also encourage flowering. Fraser's marsh St. John's wort is appropriate for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more care when grown indoors.
How to keep Hypericum Fraseri.
Light
Fraser's marsh St. John's wort is native to habitats like forest understories or rocky sites, where it grows in natural shade. It prefers partial sun but can tolerate full sun or full shade, showing its versatile and hardy nature.
Temperature
Fraser's marsh St. John's wort can tolerate a wide range of temperatures, though its distribution may still be restricted by different combinations of moisture and heat. It does best in warm summer conditions with adequate rainfall or irrigation. Extended periods of cloudy, rainy weather, as well as sustained high temperatures, increase the chance of Fraser's marsh St. John's wort dying. In winter, protecting the plant from cold can improve its survival rate.
Fertilizer
The best time to fertilize Fraser's marsh St. John's wort is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients for healthy development. Although Fraser's marsh St. John's wort needs relatively little fertilizer, an annual application can improve its survival and encourage better, longer-lasting flowers.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Hypericum
- Family
- Hypericaceae
- Hardiness Zone
- 4-9
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 20 cm to 30 cm
- Leaf Color
- Green, Blue
- Leaf Type
- Deciduous
- Flower Color
- Yellow
- Flower Size
- 1.02 cm to 1.52 cm
- Bloom Time
- Mid summer, Late summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Early fall, Mid fall
Other names.
