Plant Care Common Evening-Primrose

Common Evening-Primrose

About Common Evening-Primrose

Common Evening-Primrose is a super rare houseplant 🌿 that is isn’t challenging to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Common Evening-Primrose likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Common Evening-Primrose belongs to the oenothera genus, and is native to Canada and the United States.


Oenothera biennis

Also known as

Evening star, Sundrop and Evening primrose oil

How to care for Common Evening-Primrose


How often to water your Common Evening-Primrose

Water needs for Common Evening-Primrose
0.5 cups
every 9

Common Evening-Primrose 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 Common Evening-Primrose

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 Common Evening-Primrose in your home

Light needs and placement for plant Common Evening-Primrose: 1ft from a window
1ft or less from
a window

Common Evening-Primrose love being close to bright, sunny windows 😎.

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

Common Evening-Primrose does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Common Evening-Primrose in your home 🏡.


How to fertilize Common Evening-Primrose

Nutrient, fertilizer, and repotting needs for Common Evening-Primrose: 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 Common Evening-Primrose after it doubles in size or once a year—whichever comes first.

Difficulty Level

Common Evening-Primrose is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Common Evening-Primrose

Common Evening-Primrose

Common Evening-Primrose

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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