Dortmann's Cardinalflower

Also known as

water lobelia

Taxonomy

Scientific name

Lobelia dortmanna

Genus

Lobelia

Family

Campanulaceae

Order

Asterales

How to care for Dortmann's Cardinalflower

💦 Water

How often to water your Dortmann's Cardinalflower

Dortmann's Cardinalflower 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 Dortmann's Cardinalflower in your home

Dortmann's Cardinalflower love being close to bright, sunny windows 😎.

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

Dortmann's Cardinalflower does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Dortmann's Cardinalflower in your home 🏡.

🪴 Nutrients

How to fertilize Dortmann's Cardinalflower

Nutrient, fertilizer, and repotting needs for Dortmann's Cardinalflower: 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 Dortmann's Cardinalflower after it doubles in size or once a year—whichever comes first.

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💡 FAQs

💦 Water Needs

Dortmann's Cardinalflower 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

Dortmann's Cardinalflower 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

Dortmann's Cardinalflower is extremely dangerous if consumed. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian immediately. Dortmann's Cardinalflower is not recommended for homes with children, cats, or dogs.

🪴 Soil

Dortmann's Cardinalflower 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!

⬆️ ⬇️ Growth Pattern

Dortmann's Cardinalflower grows vertically and new growth will emerge from the top of the plant.

🌦️ Growing Outdoors

USDA Hardiness Zone
Dortmann's Cardinalflower can be grown outdoors in USDA Hardiness Zones 3a-7b. 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.