Starry Rosinweed

Also known as

Silphion asteriscum, Silphium angustum, Silphium asteriscus angustatum, Silphium asteriscus angustum, Silphium asteriscus dentatum, Silphium asteriscus laevicaule, Silphium asteriscus latifolium, Silphium asteriscus latrifolium, Silphium asteriscus scabrum, Silphium asteriscus trifoliatum, Silphium atropurpureum, Silphium atropurpureum atropurpureum, Silphium atropurpureum hirticaule, Silphium confertifolium, Silphium dentatum angustatum, Silphium dentatum dentatum, Silphium dentatum gatesii, Silphium dentatum nodum, Silphium elliottii, Silphium gatesii, Silphium gatesii gatesii, Silphium glabrum, Silphium incisum, Silphium integrifolium gattingeri, Silphium lanceolatum, Silphium nodum, Silphium scaberrimum, Silphium simpsonii simpsonii, Silphium ternatum, Silphium ternatum atropurpureum, Silphium ternifolium and Silphium trifoliatum trifoliatum

Taxonomy

Scientific name

Silphium asteriscus

Genus

Silphium

Family

Asteraceae

Order

Asterales

How to care for Starry Rosinweed

💦 Water

How often to water your Starry Rosinweed

Starry Rosinweed 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 Starry Rosinweed in your home

Starry Rosinweed love being close to bright, sunny windows 😎.

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

Starry Rosinweed does not tolerate low-light 🚫.

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

🪴 Nutrients

How to fertilize Starry Rosinweed

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

💡 FAQs

💦 Water Needs

Starry Rosinweed 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.

Starry Rosinweed Water Frequency →

Starry Rosinweed Root Rot →

☀️ Sunlight Needs

Starry Rosinweed 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 🏡.

Starry Rosinweed Light Requirements →

Starry Rosinweed Direct Sunlight Needs & Tolerance →

🐶 🐈 👶 Toxicity

Starry Rosinweed is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.

🪴 Soil

Starry Rosinweed 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!

Best Soil Mix for Starry Rosinweed →

Best Pots for Starry Rosinweed →

When and How to Successfully Repot Starry Rosinweed →

What Are Healthy Starry Rosinweed Roots →

💩 Fertilizer

Starry Rosinweed should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!

How Much and When to Fertilize Starry Rosinweed →

🌦️ Growing Outdoors

USDA Hardiness Zone
Starry Rosinweed can be grown outdoors in USDA Hardiness Zones 4a-8b. Find your local hardiness zone here.

Starry Rosinweed Temperature Tolerance →

Starry Rosinweed Hardiness Zones →

Landscaping Ideas with Starry Rosinweed →

When to Plant Starry Rosinweed →

How to Plant Starry Rosinweed →

Where to Plant Starry Rosinweed →

Winter Care for Starry Rosinweed →

Best Companion Plants for Starry Rosinweed →

Is Starry Rosinweed a Weed? →

🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant shedding old leaves.

Overwatering and root rot are the most likely cause of problems in Starry Rosinweed, since they are sensitive to wet soil. The leaves may also appear to be curling or drooping. Less often, yellow leaves are caused by underwatering, nutrient deficiencies, or pests.

Replace soggy soil with fresh, dry soil and download Greg to make sure your plant never gets overwatered again!

🧐 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.