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Crithmum Maritimum

Also known as

Peter's Cress, Peter's Cress, Sea fennel, Crithmum, Rock samphire and Samphire

Taxonomy

Scientific name

Crithmum maritimum

Genus

Crithmum

Family

Apiaceae

Order

Apiales

How to care for Crithmum Maritimum

💦 Water

How often to water your Crithmum Maritimum

Crithmum Maritimum 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
9

Does your plant get direct sunlight?

No Yes

Select the pot size

☀️ Light

Finding light for Peter's Cress in your home

Crithmum Maritimum may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

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

🪴 Nutrients

How to fertilize Crithmum Maritimum

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

💡 FAQs

💦 Water Needs

Crithmum Maritimum prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Peter's Cress Water Frequency →

Peter's Cress Root Rot →

☀️ Sunlight Needs

Crithmum Maritimum may have difficulty thriving and will drop leaves 🍃 without ample sunlight. Place it less than 3 feet from a window to maximize the potential for growth. Select your region to see how the current weather in your area affects the placement in your home 🏡.

Peter's Cress Light Requirements →

Peter's Cress Direct Sunlight Needs & Tolerance →

🐶 🐈 👶 Toxicity

Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.

If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.

Peter's Cress Toxicity to Humans →

🌦️ Growing Outdoors

USDA Hardiness Zone
Crithmum Maritimum can be grown outdoors in USDA Hardiness Zones 5a-9b. Find your local hardiness zone here.

Peter's Cress Temperature Tolerance →

🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.