Hypericum canadense, known as Canadian St. Johns-wort, lesser St. John's wort, and lesser Canadian St. Johnswort, is a flowering plant in the genus Hypericum. It is a yellow-flowering annual or perennial herb native to North America and introduced to Ireland and The Netherlands. The specific epithet canadense means "Canadian".
Lesser canadian St. John's wort is fairly resistant to disease and typically does not suffer from many illnesses. However, it can be affected by pests and pathogens present in its surroundings. These infections tend to be mild. In terms of care, this plant requires a moderate level of maintenance. It should be pruned regularly to keep a neat appearance and healthy growth. Fertilizing can also encourage flowering. Lesser canadian St. John's wort is suitable for anyone with outdoor space such as a garden or patio and does not demand extensive gardening experience. It may need more attention when grown indoors.
How to keep Hypericum Canadense.
Light
Lesser canadian St. John's wort comes from bright, open habitats and does best in full sun. It will tolerate partial sun but prefers direct sunlight for optimal growth. This plant, which can be annual or biennial, is known for its sun-loving nature.
Water
The lesser Canadian St. John's wort thrives in consistently moist conditions, reflecting its native habitat. To maintain a healthy balance, water it twice a week, even though it can tolerate moderate drought. As a herbaceous perennial, it is especially important to ensure adequate irrigation during its active growth periods, when water availability significantly influences its development.
Temperature
Lesser canadian St. John's wort can tolerate a wide range of temperatures, but its distribution may still be restricted by various combinations of moisture and heat. It does best in warm summer climates with sufficient rainfall or watering. Extended periods of cloudy, rainy weather or prolonged high temperatures can raise the chance of Lesser canadian St. John's wort dying. In winter, adequate protection from cold can improve the plant's survival.
Fertilizer
When Lesser canadian St. John's wort has opened most of its flowers to full size, resume fertilizing. At the period when blooms are at their peak, apply fertilizer every three to four weeks, as the weather allows. After the plant begins producing fewer new blooms, stop fertilizing; there's no need to feed it when it can no longer produce more flowers.
Pruning
Lesser Canadian St. John's Wort is known for its clusters of yellow flowers and delicate foliage. For the best results, prune this plant in early to late spring by removing any damaged stems and old wood. This encourages blooming and helps maintain the plant's shape. Be sure to avoid heavy pruning, as this can stress the plant. Regular pruning improves air circulation, prevents disease, and enhances the overall health and appearance of Lesser Canadian St. John's Wort.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual
- Genus
- Hypericum
- Family
- Hypericaceae
- Hardiness Zone
- 4-8
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 20 cm to 40 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- Yellow
- Flower Size
- 0.51 cm to 1.02 cm
- Bloom Time
- Summer
- Planting Time
- Spring, Summer
- Harvest Time
- Late summer, Early fall, Mid fall
Other names.
Reader questions.
How much sunlight does Lesser Canadian St. John's Wort require?
Lesser Canadian St. John's Wort (Hypericum canadense) thrives in different sunlight conditions depending on the type. For 'Full sun', it requires above 6 hours of sunlight, ensuring it gets a generous amount of light for optimal growth. If 'Partial sun' is more suitable, about 3-6 hours of sunlight is needed, offering a balanced environment between light and shade. It's important to observe the patterns of sunlight movement through your garden to find the perfect spots that match these requirements, providing the right balance to keep your plants healthy and happy.
What is Lesser Canadian St. John's Wort?
Lesser Canadian St. John's Wort, known botanically as Hypericum canadense, does not have further provided information regarding its essentials or symptoms.
