Plant Care bristly starbur

bristly starbur

Also known as

bristly starbur, goat's head, hispid starburr and starbur


Acanthospermum hispidum

How to care for bristly starbur


How often to water your bristly starbur

Water needs for bristly starbur
0.5 cups
every 9

bristly starbur 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

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for bristly starbur in your home

Light needs and placement for plant bristly starbur: 1ft from a window
1ft or less from
a window

bristly starbur love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

bristly starbur does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of bristly starbur in your home 🏡.


How to fertilize bristly starbur

Nutrient, fertilizer, and repotting needs for bristly starbur: repot after 2X growth

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 bristly starbur after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs

Care Summary for bristly starbur

bristly starbur

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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