Royal Knight's-Spur
Taxonomy
Delphinium elatum 'Royal Knight'
Delphinium
Ranunculaceae
Ranunculales
How to care for Royal Knight's-Spur
How often to water your Royal Knight's-Spur
every 9
Royal Knight's-Spur 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 Royal Knight's-Spur in your home
a window
Royal Knight's-Spur love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Royal Knight's-Spur does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Royal Knight's-Spur in your home 🏡.
How to fertilize Royal Knight's-Spur
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 Royal Knight's-Spur after it doubles in size or once a year—whichever comes first.
Care Summary for Royal Knight's-Spur
Royal Knight's-Spur
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.