Mistletoe Cactus Care - Bonsai Primer

The Mistletoe Cactus, also known as Rhipsalis baccifera, is a unique houseplant treasured for its cascading, jungle-like greenery. Unlike typical cacti, it doesn’t thrive in arid environments but prefers more tropical, moist conditions. This epiphytic plant is native to rainforests in Central and South America, the Caribbean, and Florida, making it essential to mimic these conditions for successful care. Now, let’s explore how to best tend to this verdant, spiky gem.

by Mia Cooper

Updated: November 30, 2023 / 6 mins read

Mia Cooper is a passionate bonsai and plant enthusiast, renowned for her expertise in the world of miniature trees and lush houseplants. She is the creator of the website Bonsai Primer, where she shares her knowledge and experiences, offering tips, tutorials, and insights to fellow plant lovers.

Scientific Classification

The mistletoe cactus, known as Rhipsalis baccifera, belongs to a group of plants with specific shared characteristics. Here is its scientific breakdown:

Kingdom: Plantae
Division: Angiosperms
Class: Eudicots
Order: Caryophyllales
Family: Cactaceae
Genus: Rhipsalis
Species: R. baccifera

Light

Mistletoe cactus needs bright but indirect light to grow well. Direct sunlight can burn its leaves. Put it near a window where sunlight doesn’t hit it directly. A spot with morning or late afternoon sun is best. East-facing or north-facing windows are good choices. If the light is too low, the cactus may become leggy as it stretches for light. During winter, when days are shorter, you might need artificial lights to help it. These lights mimic the sun and are called grow lights. They are helpful for many indoor plants, not just mistletoe cactus.

Water

Watering your mistletoe cactus is important to keep it healthy. This plant likes to dry out a bit between waterings. You should check the soil every week. If the top inch of the soil feels dry, it’s time to water it. Give it enough water so it runs through the drainage holes at the bottom of the pot. But don’t let your cactus sit in water, as that can cause root rot. During winter, cut back on watering since the plant grows slower. Remember, your cactus needs more water when it’s warmer and less when it’s cooler.

Soil

For your Mistletoe Cactus to thrive, it needs the right type of soil. This cactus prefers a mix that drains water quickly. You can use cactus potting soil or make your own mix. To do this, combine regular potting soil with sand or perlite. This will prevent water from staying around the roots for too long, which can cause rot. Remember to choose a pot with holes at the bottom. These holes let extra water escape so the soil doesn’t stay soggy. If the soil is well-draining, your cactus will be happy.

Temperature

The Mistletoe Cactus likes it warm but not too hot. You must keep your cactus in a spot where the temperature is just right. Think of spring or early fall days, which feel comfortable to you. They should be comfortable for your cactus as well. The ideal temperature range is between 60 and 75 degrees Fahrenheit. That’s like a nice day in May. If it gets colder than 50 degrees, your cactus might start to suffer. Therefore, keep your cactus away from drafty windows in winter. In summertime, make sure it’s not too close to air conditioning that could make it too cold. Your Mistletoe Cactus can handle a bit of heat, but if it’s too hot for long periods, it might not grow well. Always try to keep the temperature steady, as big changes can stress your cactus.

Humidity

Humidity refers to the amount of water vapor in the air. Think of it as the air’s wetness. The Mistletoe Cactus thrives in a place that’s not too dry. It likes environments similar to a tropical rainforest, which are usually humid. When you care for this plant indoors, aim to maintain moderate to high humidity levels. You can do this in a few ways. For example, you can place a tray of water near the plant, so as the water evaporates, it adds moisture to the air. Another way is to use a humidifier. It’s a device that makes the air more humid, which can help your cactus feel more at home. If the air is too dry, your cactus might not grow well. It might even start to look a little sad, with shriveled leaves. Therefore, keeping the air just right can make a big difference in how healthy your plant looks.

Fertilizer

Fertilizer for your Mistletoe Cactus is like vitamins for you. It gives the plant extra nutrients that help it grow healthy and strong. You don’t need to feed your cactus often. A liquid fertilizer, made for cacti, is your best choice. Use this about once a month in the spring and summer. These are the seasons when your cactus is growing more. Always follow the instructions on the fertilizer’s label. Don’t use more than it says. Too much can hurt your plant. In fall and winter, you can stop fertilizing. Your cactus rests during this time and needs less food. Using fertilizer right helps your cactus thrive.

Size & Growth Rate

The Mistletoe Cactus is a unique plant with a moderate growth rate. It starts small but can grow long, trailing stems. These stems often stretch out over time, making the cactus look like a green curtain. They can reach lengths of up to 6 feet in the right conditions. However, don’t expect your Mistletoe Cactus to grow overnight. It might take a few years to reach its full length. When you care for it well, this cactus will grow steadily. Remember, it does not get very thick or bushy, but rather stays slender as it lengthens. This growth pattern makes it perfect for hanging baskets.

Common Issues

When you care for a Mistletoe Cactus, you might run into some problems. Pests, like mealybugs and scale insects, can attach to your cactus. These bugs suck the sap and weaken the plant. Watch for small, cotton-like spots or bumps on the stems. These are signs of pests. Overwatering is another issue. If the cactus gets too much water, its roots can rot. The plant may look wilted or its stems become mushy. Changes in color, like yellowing or paleness, can mean your cactus isn’t happy. It may need more light or better soil. If your cactus stops growing, it could be too cold. Move it somewhere warmer. Check for problems often. By catching them early, you can keep your cactus healthy.

Toxicity

When you handle the Mistletoe Cactus, you don’t have to worry about it being poisonous. This plant is safe for people and pets. Some plants can be toxic and cause harm if eaten or touched. Lucky for you, the Mistletoe Cactus isn’t one of them. If your cat or dog takes a nibble, they should be just fine. Likewise, if a child touches or accidentally eats part of the plant, there is no need to panic. It’s still a good idea to tell kids and pets to leave the plant alone. This way, the cactus stays healthy and everyone is safe. Overall, the Mistletoe Cactus is a great choice for a worry-free houseplant.