Plant Care Scarlet Milkweed

Scarlet Milkweed

Also known as

Scarlet Milkweed, Blood Flower, Mexican Butterfly, tropical milkweed, cotton bush, hierba de la cucaracha, Mexican butterfly weed, redhead and wild ipecacuanha


Asclepias curassavica

How to care for Scarlet Milkweed


How often to water your Scarlet Milkweed

Water needs for Scarlet Milkweed
0.5 cups
every 9

Scarlet Milkweed 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.

Calculate water needs of Scarlet Milkweed

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 Scarlet Milkweed in your home

Light needs and placement for plant Scarlet Milkweed: 1ft from a window
1ft or less from
a window

Scarlet Milkweed love being close to bright, sunny windows 😎.

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

Scarlet Milkweed does not tolerate low-light 🚫.

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


How to fertilize Scarlet Milkweed

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

Water Needs
Sunlight Needs

Care Summary for Scarlet Milkweed

Scarlet Milkweed

Scarlet Milkweed

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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