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Rubiaceae · Care Guide USDA 10-12

Hot Lips

Palicourea elata

Palicourea elata, commonly known as Hot Lips, is a stunning tropical plant celebrated for its vibrant, tubular flowers. Native to Central and South America, it adds a unique touch to gardens and indoor spaces, attracting pollinators and providing lush greenery.

IntermediateThis plant thrives in partial shade to dappled sunlight, ideally receiving 4-6 hours of indirect light dailyPalicourea elata prefers consistently moist soil but does not tolerate waterlogged conditionsModerate growth3-6 feet tall, 2-3 feet wide
Care

Everything it needs

9 essentials at a glance

Watering

Palicourea elata prefers consistently moist soil but does not tolerate waterlogged conditions.

Water when the top inch of soil feels dry, typically every 1-2 weeks. In the growing season, increase frequency to weekly, while in winter, reduce to bi-weekly. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and leaf drop.

Light

This plant thrives in partial shade to dappled sunlight, ideally receiving 4-6 hours of indirect light daily.

Avoid direct sunlight as it can scorch the leaves. A location near a north or east-facing window is ideal, as it provides gentle light without harsh afternoon sun.

Soil

Palicourea elata prefers well-draining, rich organic soil with a pH range of 5.5 to 7.0.

A mix of peat moss, perlite, and compost is recommended to ensure good drainage and aeration. Avoid heavy clay soils that retain too much moisture.

Humidity

This plant thrives in high humidity levels of 60% or more.

To increase humidity, mist the leaves regularly, use a humidity tray, or place a humidifier nearby. Signs of low humidity include browning leaf tips and edges, while excessive humidity can lead to fungal issues.

Temperature

Palicourea elata prefers temperatures between 65-85°F (18-29°C) and is best suited for USDA hardiness zones 10-12.

It is sensitive to cold and should be protected from temperatures below 50°F (10°C). During winter, maintain a stable temperature to avoid stress.

Fertilizing

Use a balanced liquid fertilizer with an NPK ratio of 10-10-10 every 4-6 weeks during the growing season.

Reduce fertilization in the fall and winter months. Signs of nutrient deficiency include yellowing leaves, stunted growth, and poor flowering.

Pruning

Prune Palicourea elata in early spring to shape the plant and remove any dead or damaged branches.

Use clean, sharp pruning shears to make cuts just above a leaf node. Deadheading spent flowers can encourage more blooms and maintain a tidy appearance.

Repotting

Repot every 1-2 years or when the roots outgrow the current pot, indicated by roots emerging from drainage holes.

Choose a pot 1-2 inches larger in diameter. Carefully remove the plant from its pot, loosen any tightly bound roots, and place it in fresh potting mix. Water thoroughly after repotting.

Propagation

Propagation can be achieved through stem cuttings or seeds.

For stem cuttings, take a 4-6 inch cutting from a healthy plant, remove the lower leaves, and place it in a moist potting mix. Cover with a plastic bag to maintain humidity until roots develop, which usually takes 4-6 weeks. Seeds should be sown in a seed-starting mix and kept warm and moist until germination.

Troubleshoot

When it's unhappy

Yellow leaves

Why it happens

Often caused by over-watering or nutrient deficiency.

How to fix it

Check soil moisture and reduce watering frequency. Fertilize if nutrient deficiency is suspected.

Wilting leaves

Why it happens

Typically a sign of under-watering or root rot.

How to fix it

Ensure proper watering schedule and check for root rot by inspecting roots.

Browning leaf tips

Why it happens

Usually due to low humidity or over-fertilization.

How to fix it

Increase humidity levels and reduce fertilizer application.

Fungal issues

Why it happens

High humidity and poor air circulation can lead to fungal infections.

How to fix it

Improve air circulation and avoid overhead watering. Treat with a fungicide if necessary.

Pest infestations

Why it happens

Common pests include aphids and spider mites, often due to stress.

How to fix it

Inspect regularly and treat with insecticidal soap or neem oil as needed.

Seasonal

Care through the year

Spring

In spring, resume regular watering and fertilizing as the plant begins to actively grow. Prune any dead or damaged branches to encourage new growth.

Summer

During summer, maintain consistent moisture and increase humidity levels as temperatures rise. Monitor for pests and provide shade during extreme heat.

Fall

In fall, gradually reduce watering as the plant enters dormancy. Continue to monitor humidity and prepare for cooler temperatures by bringing the plant indoors if necessary.

Winter

In winter, reduce watering to every 2 weeks and avoid fertilizing. Keep the plant in a stable environment, away from drafts and extreme temperature fluctuations.

Toxicity & Safety

Palicourea elata is considered mildly toxic to pets and humans. Ingestion of any part of the plant may cause gastrointestinal upset, including nausea and vomiting. Keep out of reach of children and pets.

FAQ

Good to know

Why are my Hot Lips leaves turning yellow?

Yellow leaves on Palicourea elata can indicate over-watering or nutrient deficiency. Check the soil moisture and adjust your watering schedule, and consider fertilizing if necessary.

How often should I water my Hot Lips plant?

Water your Palicourea elata when the top inch of soil feels dry, typically every 1-2 weeks. In the growing season, you may need to water weekly.

What light conditions are best for Hot Lips?

Palicourea elata thrives in partial shade, ideally receiving 4-6 hours of indirect sunlight daily. Avoid direct sunlight to prevent leaf scorch.

How can I increase humidity for my Hot Lips plant?

To increase humidity, mist the leaves regularly, use a humidity tray filled with water and pebbles, or place a humidifier nearby to create a more suitable environment.

When should I prune my Hot Lips plant?

Prune your Palicourea elata in early spring to shape the plant and remove any dead or damaged branches. This encourages healthy growth and flowering.

How do I propagate my Hot Lips plant?

You can propagate Palicourea elata through stem cuttings or seeds. For cuttings, take a healthy stem, place it in moist potting mix, and cover to maintain humidity until roots develop.

What are the signs of pest infestations on Hot Lips?

Look for signs such as webbing, sticky residue, or visible insects on the leaves. Regular inspection and treatment with insecticidal soap can help manage pests.

Pairings

Grows well with

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