Plant Care Flatspine Bur Ragweed

Flatspine Bur Ragweed

Also known as

flatspine bur ragweed, Hooker's bur-ragweed, annual burrweed, annual bur-sage and western sand-bur


Ambrosia acanthicarpa

How to care for Flatspine Bur Ragweed


How often to water your Flatspine Bur Ragweed

Water needs for Flatspine Bur Ragweed
0.5 cups
every 9

Flatspine Bur Ragweed 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 Flatspine Bur Ragweed in your home

Light needs and placement for plant Flatspine Bur Ragweed: 1ft from a window
1ft or less from
a window

Flatspine Bur Ragweed love being close to bright, sunny windows 😎.

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

Flatspine Bur Ragweed does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Flatspine Bur Ragweed in your home 🏡.


How to fertilize Flatspine Bur Ragweed

Nutrient, fertilizer, and repotting needs for Flatspine Bur Ragweed: 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 Flatspine Bur Ragweed after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Flatspine Bur Ragweed

Flatspine Bur Ragweed

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.

Trending in your area

Similar to Flatspine Bur Ragweed

Discover rare plants

This plant is popular in