Cobweb Thistle

About Cobweb Thistle

Cobweb Thistle is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Cobweb Thistle likes soil that is well draining. You may want to supplement with a gentle, organic fertilizer throughout the peak growing season.

Taxonomy

Scientific name

Cirsium occidentale

Genus

Cirsium

Family

Asteraceae

Order

Asterales

Also known as

cobweb thistle and cobwebby thistle

How to care for Cobweb Thistle

💦 Water

How often to water your Cobweb Thistle

Cobweb Thistle 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 Cobweb Thistle in your home

Cobweb Thistle love being close to bright, sunny windows 😎.

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

Cobweb Thistle does not tolerate low-light 🚫.

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

🪴 Nutrients

How to fertilize Cobweb Thistle

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

💡 FAQs

💦 Water Needs

Cobweb Thistle 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.

☀️ Sunlight Needs

Cobweb Thistle requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.

🐶 🐈 👶 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.

🪴 Soil

Cobweb Thistle does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!

💩 Fertilizer

Cobweb Thistle is a fast growing plant and may deplete the nutrients in its soil over time. Replenish them with a gentle organic fertilizer or compost every 1-2 months depending on your location and season. Fertilize more often during the growing season and in warmer and brighter climates.

⬆️ ⬇️ Growth Pattern

Cobweb Thistle grows vertically and new growth will emerge from the top of the plant.

🌦️ Growing Outdoors

USDA Hardiness Zone
Cobweb Thistle can be grown outdoors in USDA Hardiness Zones 8a-11b. Find your local hardiness zone here.

🧐 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.