Greater Canadian St. John's-Wort
Also known as
large St. Johnswort, large St. John's-wort, greater St. John's-wort and larger Canadian St. John's-wort
How to care for Greater Canadian St. John's-Wort
Greater Canadian 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 located in Oakland, California.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
October 3rd, 2022
Sunlight energy as measured by “net radiation” in Oakland is currently medium 👌.
The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determini…
October 2nd, 2022
Oakland is trending towards lower sunlight intensity!
The amount of sunlight in Oakland is expected to decrease by 29.1% over the next 2 weeks to an average of 13.4 megajoules of energy per m2 per…
October 1st, 2022
This month, Oakland is getting an average of 12.7 hours of clear sky sunlight per day.
Hours of daylight will decrease by 13.8% over the next two weeks. Your plants will get 11.0 total hours of da…
Greater Canadian 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 during this time of higher sunlight intensity in Oakland, California ☀️.
This is a great time to watch your Greater Canadian St. John's-Wort thrive 🌿!
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 Greater Canadian St. John's-Wort after it doubles in size or once a year—whichever comes first.