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