Plant Care Herb Robert

Herb Robert

Taxonomy

Geranium robertianum subsp. celticum
Geranium
Geraniaceae
Geraniales

How to care for Herb Robert

💦 Water

How often to water your Herb Robert

Water needs for Herb Robert
0.5 cups
every 9

Herb Robert 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?

Select the pot size

5"
☀️ Light

Finding light for Herb Robert in your home

Light needs and placement for plant Herb Robert: 1ft from a window
1ft or less from
a window

Herb Robert love being close to bright, sunny windows 😎.

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

Herb Robert does not tolerate low-light 🚫.

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

🪴 Nutrients

How to fertilize Herb Robert

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

💡 FAQs
💦 Water Needs

Herb Robert 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.

Herb Robert Root Rot →


☀️ Sunlight Needs

Herb Robert 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

Herb Robert 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

Herb Robert is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.

What Are Healthy Herb Robert Roots →


💩 Fertilizer

Herb Robert 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!


🌦️ Growing Outdoors

USDA Hardiness Zone
Herb Robert can be grown outdoors in USDA Hardiness Zones 3a-9b. Find your local hardiness zone here.

Herb Robert Hardiness Zones →

Is Herb Robert 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 Herb Robert, 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.


Care Summary for Herb Robert

Herb Robert


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

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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