Arnold's St. John's Wort
Taxonomy
Hypericum arnoldianum
Hypericum
Hypericaceae
Malpighiales
How to care for Arnold's St. John's Wort
How often to water your Arnold's St. John's Wort
every 9
Arnold's St. John's Wort needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
9
Finding light for Arnold's St. John's Wort in your home
a window
Arnold's St. John's Wort love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Arnold's St. John's Wort does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Arnold's St. John's Wort in your home 🏡.
How to fertilize Arnold's St. John's Wort
Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Arnold's St. John's Wort after it doubles in size or once a year—whichever comes first.
Care Summary for Arnold's St. John's Wort
Arnold's St. John's Wort
Greg recommends:
Water
0.5 cups every 9 days
Placement
< 1ft from a window
Nutrients
Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.