Plant Care American Lopseed

American Lopseed

Also known as

lopseed and slender-spiked lopseed


Phryma leptostachya

How to care for American Lopseed


How often to water your American Lopseed

Water needs for American Lopseed
0.5 cups
every 9

American Lopseed 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 American Lopseed

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 American Lopseed in your home

Light needs and placement for plant American Lopseed: 1ft from a window
1ft or less from
a window

American Lopseed love being close to bright, sunny windows 😎.

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

American Lopseed does not tolerate low-light 🚫.

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


How to fertilize American Lopseed

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

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for American Lopseed

American Lopseed

American Lopseed

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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