Hypericum kalmianum aka Kalm's St. John's Wort

Q: What are the water needs for Kalm's St. John's Wort

Kalm's St. John's Wort should be watered regularly, allowing the soil to dry out between waterings.

Q: What is the right soil for Kalm's St. John's Wort

Kalm's St. John's Wort loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

Q: What is the sunlight requirement for Kalm's St. John's Wort

Kalm's St. John's Wort thrives in bright and direct sunlight. To ensure your plant receives enough light to survive, place it less than one foot from a window. The current weather in your area may affect the placement in your home. For example, if you live in a region that has longer and more intense periods of sunlight, then you may want to place the plant farther away from the window to avoid direct sunlight and reduce the risk of sunburn. Alternatively, if you live in a region with relatively milder temperatures and less intense sunlight, then you may be able to place the plant closer to the window for increased exposure. Ultimately, the current weather in your area should be taken into consideration when determining the best placement for your Kalm's St. Johnswort.

Taxonomy ID: 3825

Genus Hypericum Family Hypericaceae Order Malpighiales Class Magnoliopsida Phylum Tracheophyta

Common names

Kalm's St. John's Wort, Kalm's St. Johnswort

More information about Kalm's St. John's Wort

How difficult is it to take care of Kalm's St. John's Wort

With its straightforward care requirements, Kalm's St. John's Wort is a hassle-free plant that anyone can enjoy.

What are the water needs for Kalm's St. John's Wort

Kalm's St. John's Wort should be watered regularly, allowing the soil to dry out between waterings.

What is the right soil for Kalm's St. John's Wort

Kalm's St. John's Wort loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

What is the sunlight requirement for Kalm's St. John's Wort

Kalm's St. John's Wort thrives in bright and direct sunlight. To ensure your plant receives enough light to survive, place it less than one foot from a window. The current weather in your area may affect the placement in your home. For example, if you live in a region that has longer and more intense periods of sunlight, then you may want to place the plant farther away from the window to avoid direct sunlight and reduce the risk of sunburn. Alternatively, if you live in a region with relatively milder temperatures and less intense sunlight, then you may be able to place the plant closer to the window for increased exposure. Ultimately, the current weather in your area should be taken into consideration when determining the best placement for your Kalm's St. Johnswort.

How to fertilize Kalm's St. John's Wort

The Kalm's St. John's Wort is known for its slow growth and doesn't require fertilizing beyond its potting soil. Replacing the soil in its pot once a year should offer it sufficient nutrition. It's essential to remember that plants get their energy from the sun, not from fertilizers.

Is Kalm's St. John's Wort toxic to humans/pets?

No verified data on the toxicity of this plant exists within Ploi's records. Should you, someone in your family, or your pet ingest plant material with an unknown toxicity level, it is recommended to seek medical advice.

More info:
Wikipedia • GBIF

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