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