Learn How To Grow Rattlesnake Plant (Calathea Lancifolia)


The Rattlesnake Plant Calathea Lancifolia [ka-LAY-thee-uh] [lan-sih-FOH-lee-uh] has a striking appearance that stands out when placed among a variety of other plants.

The lance-shaped leaves with dark alternating dark green ovals with a deep purple underside.

Rattlesnake Plants belong to the Marantaceae family (prayer plant) and native to the rainforests of Brazil.

Potted Rattlesnake Plant (Calathea lancifolia) Gaylord Palms Hotel Orlando, FloridaPotted Rattlesnake Plant (Calathea lancifolia) Gaylord Palms Hotel Orlando, Florida

If you’re thinking of adding one of these potted tropical plants to your collection, here are a few care details to explore.

Calathea Care

Size and Growth

The attractive Calathea plants are recommended for USDA hardiness zones 11 to 12, making it unsuitable for outdoor growth in most parts of the United States.

The only areas where the rattlesnake Calathea will thrive outdoor include the southern tips of Florida and California.

In most cases, people grow this Calathea plant indoors.

When grown indoors, it may reach a height of about one and a half feet while it can reach almost twice that height outdoors.

The foliage is the most exciting characteristic of the Rattle snake plant. It produces wavy leaf blades reaching about 18″ inches in length.

The green leaves have a pale color with dark green oval shapes. You may also notice purplish or maroon-colored undersides to the leaves.

Flowering and Fragrance

This plant rarely flowers when grown indoors. It also doesn’t grow quite as tall. However, it’s still an attractive, exotic plant and makes a great addition to any room.

If you live in a suitable area for growing outdoor, you may notice yellow flowers blooming in the late spring or early summer. They appear on 2″ to 4″ inch conical spikes.

Light and Temperature

Grow Calathea Lancifolia in a shaded area with bright indirect light in the afternoon. Bright direct light will burn the leaves, causing them to wither and the plant to die.

When grown indoors, ensure the plant gets a decent amount of sunlight throughout the day. Adding grow lights to provide supplemental lighting. Caring for the Rattlesnake is not difficult.

It grows best in temperatures ranging between 65°-75° degrees Fahrenheit. It also grows best with plenty of humidity.

TIP: If your house tends to get dry, spray the plant with water every day, especially during the winter or add a humidifier.

Close up Lancifolia Rattlesnake plant leavesClose up Lancifolia Rattlesnake plant leaves

Watering and Feeding

Calathea zebrina should be watered regularly to keep the soil evenly moist. In most cases, you’ll need to water every few days. However, you should avoid saturating the water or adding enough water to form lasting puddles.

You can also use fertilizer once per month throughout the growing season, which typically lasts between April and August. Stop using fertilizer and water less frequently during the winter.

Soil and Transplanting

When potting rattlesnake plant use a well-drained soil and to keep the potting mix moist. Adding peat moss will help keep the soil moist without slowing the drainage.

Repot the plant each year with new soil will keep the rattlesnake plant growing actively. In the early spring, remove the plant and replace the soil.

Be careful to avoid damaging the root structure.

TIP: Repotting is also the best time to consider propagating the plant.

Grooming and Maintenance

Remove old leaves otherwise grooming is not necessary. The plant doesn’t flower indoors, the leaves don’t fall off unless they don’t get enough moisture, and it doesn’t grow very tall.

How to Propagate Calathea Lancifolia

The easiest method to propagate rattlesnake plant is by division. If possible, divide when repotting the plant.

Place the divisions in individual pots, in a shaded area and cover with plastic bags. After you start to see new growth, remove the plastic and grow the plant following Calathea lancifolia care recommendation.

What Pests or Diseases Does Calathea Rattlesnake Encounter?

While rattlesnake plant doesn’t have any severe disease or insect problems, keep an eye on the plant for the usual pests.

Aphids, mealybugs, and spider mites may find the thick leaves attractive. Spider mites can be a problem during the winter months in dry indoor locations.

If you spot any pests, wash the foliage with soapy water or use an insecticide like Neem oil or insecticidal soap.

Besides pests and diseases, pay attention to signs of drought. If the leaves start to roll up or turn brown, the plant may not be getting the humidity it needs.

If you notice that the leaves are dying due to low humidity, try misting the leaves early in the morning each day and again in the early afternoon.

Suggested Uses For Calathea Lancifolia

Rattlesnake plant is grown primarily for its interesting, attractive foliage. As mentioned, it’s not suited for outdoor growth in cold or dry regions, as it’s native to the rainforests of Brazil.

While you may not grow it outdoors in your region, it’s an attractive houseplant. Place it in a large pot in a highly-visible area where you can show off the interesting patterns on the leaves.

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