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Rhipsalidopsis gaertneri (Easter Cactus)

Easter Cactus, Holiday Cactus, Whitesun, Epiphyllopsis gaertneri, Hatiora gaertneri, Rhipsalis gaertneri, Schlumbergera gaertneri

AGM Award
Easter cactus, Rhipsalidopsis gaertneri

What is an Easter Cactus?

Rhipsalidopsis gaertneri, commonly referred to as the Easter Cactus, stands out with its distinctive segment-shaped stems and vibrant, star-shaped flowers. Unlike typical cacti, it lacks sharp spines, making it friendly for household placement.

Native: Originating from the coastal mountains of southeastern Brazil, this cactus is adapted to a more tropical climate than its desert-dwelling cousins. It is a member of the Cactaceae family, which also includes the popular Chrismas cactus, prickly pear (opuntia), pincushion cactus (mammillaria), and the iconic saguaro cactus and San Pedro cactus.

Growth habit: A tropical epiphytic cactus, it grows naturally on trees, and has a bushy and sprawling growth habit. The segmented, flat, green stems act as the plant’s leaves. They are smooth and plump, with rounded, scalloped edges, differing from its close relative, the Christmas Cactus.

Size: The plant generally reaches a height of 6-12 inches (15-30 cm), with a spread of about 18-24 inches (45-60 cm).

Flowers: Its flowers are its most eye-catching feature. Blossoming in radiant shades of red or pink, white, these star-shaped flowers can grow up to 3 inches (7 cm) across.

Blooming season: True to its common name, the Easter Cactus usually blooms around Easter time, between March and May.

Hardiness: The Easter Cactus is relatively hardy, suitable for USDA zones 10-12. It’s sensitive to extreme cold and prefers temperatures between 60-80°F.

Award: Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.

Uses: Primarily grown as an ornamental houseplant, its vibrant blooms add a splash of color to interiors, especially during spring. It’s also a popular choice for hanging baskets.

Toxicity: Non-toxic to humans or pets.

Why Should I Grow an Easter Cactus?

Vibrant Blooms: Offers beautiful, star-shaped flowers during the Easter season.

Easy Care: Requires minimal maintenance as an indoor plant.

Air Purifier: Like many plants, it helps improve indoor air quality. It possesses the unique ability to absorb carbon dioxide and emit oxygen at night, a reversal of the typical daytime photosynthesis process observed in most plants.

Unique Appearance: Scalloped, segmented stems stand out in home decor.

Epiphytic Nature: Thrives in non-soil mediums, a plus for indoor gardeners.

Longevity: Can live for many years with proper care.

Propagation: Easily multiplied, allowing you to expand your collection or share with friends.

Christmas cactus care, Schlumbergera care

How to Grow and Care for an Easter Cactus

Growing an Easters Cactus successfully involves providing the right conditions and understanding its natural habits. Here’s a guide to help you grow and nurture this charming plant:

Light: Provide bright, indirect light. Avoid direct sunlight, which can scorch the plant.

Soil: Use a well-draining potting mix, preferably cactus mix or orchid bark mix.

Water: Keep the soil consistently moist but not waterlogged. Reduce watering in the dormant winter months.

Humidity: Prefers higher humidity. Consider placing on a tray with wet pebbles or occasionally misting the plant.

Temperature: Keep between 60°F to 70°F (15°C to 21°C) for optimal growth. Cooler temps (50°F/10°C) in late winter can promote blooming.

Fertilizer: Apply a half-strength balanced liquid fertilizer every 2-4 weeks during the active growing season (spring and summer).

Pruning: After blooming, trim off any dead or excess growth to maintain a compact shape.

Repotting: Do this every 2-3 years or when the plant outgrows its container.

Dormancy: Reduce watering and keep in cooler temperatures during winter to encourage spring blooms.

Remember, the Easter cactus is an epiphyte, so it’s adapted to grow in tree crevices in its natural habitat. This means it prefers more humidity and indirect light, akin to a forest understory. Adjusting care to mimic these conditions will result in a thriving plant.

Holiday Cactus Types

Holiday cacti refer to three popular species that bloom during different times of the year. All are easy to care for and provide vibrant, colorful flowers during their respective seasons.

Thanksgiving Cactus (Schlumbergera truncata): Blooms in late fall, with sharp, pointed stem segments. Flowers are vibrant, in shades of red, pink, orange, or white.

Christmas Cactus (Schlumbergera × buckleyi): Blooms in December with rounded stem segments. Flowers appear in red, pink, white, or purple, making it a popular holiday plant.

Easter Cactus (Rhipsalidopsis gaertneri): Blooms in spring with smooth, scalloped stem segments. Its flowers come in shades of pink, red, and white, perfect for springtime displays.

How to Get Your Easter Cactus to Bloom

To encourage your Easter Cactus (Rhipsalidopsis gaertneri) to bloom, you’ll need to provide it with the right conditions reminiscent of its natural habitat. Here’s a step-by-step guide:

Light Exposure: Ensure your Easter Cactus receives bright but indirect sunlight. Too much direct sunlight can stress the plant and inhibit blooming.

Temperature: The Easter Cactus requires a cooler period to set buds. Beginning in the late fall, expose your cactus to cooler temperatures, ideally between 50°F to 55°F (10°C to 13°C) for about 6-8 weeks. A cool, seldom-used room or basement is often suitable.

Watering: Reduce watering during the cooler period to avoid overwatering. However, don’t let the plant dry out completely.

Darkness: Just like Christmas Cacti, the Easter Cactus benefits from long nights to induce blooming. Ensure it gets around 13 hours of darkness and 11 hours of bright, indirect light for several weeks. You might need to move the plant to a dark room or cover it with a cloth or box to achieve this.

Limit Stress: Once buds begin to form, avoid moving the plant, as this can cause bud drop. Changes in temperature, light, or location can be stressful to the cactus.

Fertilizing: After the cool and dark treatment, when you notice buds forming, begin to feed the plant with a half-strength balanced fertilizer every 2-4 weeks.

Humidity: Increase humidity around the plant. You can do this by placing a tray with water and pebbles underneath the pot or occasionally misting around the plant. This mimics the more humid environment it’s used to during the blooming period.

Regular Care: Once blooming is over, revert to its regular care routine to keep it healthy for the next blooming season.

Check for Pests: Make sure the plant is free from pests like aphids, spider mites, and mealybugs, which can hinder blooming.

Remember, it might take a bit of experimentation to get your Easter Cactus to bloom, especially if it’s your first time trying. However, with patience and care, you’ll be rewarded with a beautiful display of flowers around Easter time.

Easter cactus, Rhipsalidopsis gaertneri

Easter Cactus Common Problems

The Easter Cactus, like many other houseplants, can encounter a variety of issues. Here are some common problems and their potential causes:

Dropping Buds or Leaves: This can result from sudden changes in temperature, too much light, or moving the plant frequently after buds have formed.

Failure to Bloom: Insufficient periods of darkness, temperatures that are too warm during the bud formation stage, or not providing a distinct winter resting period can prevent blooming.

Wrinkled or Shriveled Pads (Segments): Typically a sign of underwatering. The soil should remain slightly moist, especially during the growing season.

Soft, Mushy, or Discolored Pads: This is often an indication of overwatering or root rot. Make sure the soil drains well, and you’re not leaving the plant sitting in water.

Brown or Black Spots on Pads: Can be a sign of a fungal or bacterial infection. Isolate the plant to prevent spreading, remove affected areas, and ensure the plant is in a well-ventilated area.

Leggy Growth: Insufficient light can cause the cactus to become elongated or “leggy.” Move it to a location with brighter, indirect sunlight.

Discoloration of Pads: Overexposure to direct sunlight can lead to reddish or sunburned segments. If the pads are turning yellow, it might indicate overwatering.

Stunted Growth: If the plant isn’t growing during its growing season, it may be root-bound and require repotting, or it may need a balanced fertilizer to provide essential nutrients.

Edema: Raised, corky scabs on the pads are caused by inconsistent watering where the plant absorbs water faster than it can use, leading to cell rupture.

Pests and diseases:

  • Spider Mites: Tiny pests that can cause the plant to look withered and can leave webs.
  • Aphids: Small bugs that suck the sap from the plant.
  • Mealybugs: Cotton-like bugs that can be found on the underside of leaves or in leaf axils.
  • Scale: Hard, shield-like bugs that attach to stems and leaves.
  • Root rot (Phytophthora, Pythium): Plants wilt and die. Use a sterilized potting mix. Remove affected plants. Apply fungicide to safeguard the remaining healthy ones.
  • Botrytis or Gray mold: Flowers die and become covered with gray fungal growth. Control humidity through heating and ventilation. Apply fungicide to safeguard unaffected plants.

If you encounter issues with your Easter Cactus, remember to consider the basic requirements of the plant. Regularly checking on your plant and ensuring it’s receiving the right amount of light, water, and care can prevent many of these common problems.

AphidsAphids

Mealybugs,  Identify Mealybugs, Prevent Mealybugs, Treat MealybugsMealybug

How to Propagate an Easter Cactus

Propagating an Easter Cactus is relatively straightforward. Here’s a step-by-step guide to help you propagate your Easter Cactus:

Choose Healthy Pads (Segments): Begin by selecting a healthy stem segment from the parent Easter Cactus. Ideally, choose a segment that’s mature but not too old.

Remove the Segment: Gently twist off the segment you want to propagate. It’s best to take a couple of segments together, rather than just one.

Let it Dry: Allow the removed segment to dry for a few hours or overnight. This helps form a callus over the cut area, reducing the risk of rot when planted.

Prepare the Potting Mix: Use a well-draining potting mix, ideally a cactus or succulent mix. If you can’t find a specialized mix, create your own by adding perlite or sand to regular potting soil to increase drainage.

Plant the Segment: Insert the base of the segment about 1 inch deep into the potting mix.

Water Sparingly: Water lightly, ensuring the soil is moist but not soggy. Overwatering can cause the cutting to rot.

Provide Indirect Light: Place the pot in a location with bright but indirect sunlight. Avoid exposing the new cutting to direct sunlight, which can cause it to dry out or get sunburned.

Wait for Roots: Be patient. In a few weeks to a couple of months, the segment should develop roots. You can gently tug on the segment to feel if it’s anchored by roots.

Transplant if Necessary: Once the cutting has established a healthy root system and starts to grow, you can transplant it to a larger pot if needed.

Regular Care: Once your propagated Easter Cactus is established, care for it as you would a mature plant: water it when the top inch of soil feels dry and ensure it receives plenty of indirect sunlight.

Tip: Like other cacti and succulents, Easter Cactus cuttings benefit from being left out to dry for a period before planting. This drying period reduces the risk of rot and disease when the cutting is planted.

Frequently Asked Questions

What is the difference between Easter and Christmas cactus?

Both Easter and Christmas cacti belong to the same family but are different species with some distinct differences:

  • Appearance:
    • Christmas Cactus (Schlumbergera bridgessii): Has flattened leaves with rounded teeth on the margins.
    • Easter Cactus (Rhipsalidopsis gaertneri): Has more bristled, star-shaped segments and more pronounced indentations on the sides of its leaves.
  • Bloom Time:
    • Christmas Cactus: Typically starts flowering in early December.
    • Easter Cactus: Flowers around Easter, hence its name, which usually falls in April.
  • Flower Structure:
    • Christmas Cactus: Has hanging, tubular flowers.
    • Easter Cactus: Has more daisy-like flowers.

Does an Easter cactus only bloom once a year?

Yes, an Easter cactus typically blooms once a year. It is triggered into blooming by specific light and temperature conditions.

4. Can I put my Easter cactus outside?

Yes, you can put your Easter cactus outside, but there are precautions to consider:

  • Temperature: Easter cacti prefer temperatures between 60-70°F (15-21°C) during their growing season. They can tolerate temperatures as low as 50°F (10°C) at night. Avoid placing them outside if there’s a risk of frost.
  • Light: They should be placed in a location where they receive indirect light. Direct sunlight, especially during the hot parts of the day, can scorch the plant.
  • Transition: When moving the cactus outside, it’s essential to transition it gradually. Start by placing it in a shaded area and gradually introduce it to brighter spots to avoid shocking the plant.

Remember to bring the cactus back indoors when temperatures start to drop in the fall, or if there’s any threat of frost.

Requirements

Hardiness 10 - 12
Heat Zones 1 - 11
Climate Zones 16, 17, 21, 22, 23, 24, H1, H2
Plant Type Houseplants, Cactus & Succulents
Plant Family Cactaceae
Exposure Partial Sun
Season of Interest Spring (Early, Mid, Late), Summer (Early, Mid, Late), Fall, Winter
Height 6" - 1' (15cm - 30cm)
Spread 1' - 2' (30cm - 60cm)
Maintenance Low
Water Needs Low
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen, Plant of Merit
Tolerance Dry Soil
Garden Uses Patio And Containers
How Many Plants
Do I Need?
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 10 - 12
Heat Zones 1 - 11
Climate Zones 16, 17, 21, 22, 23, 24, H1, H2
Plant Type Houseplants, Cactus & Succulents
Plant Family Cactaceae
Exposure Partial Sun
Season of Interest Spring (Early, Mid, Late), Summer (Early, Mid, Late), Fall, Winter
Height 6" - 1' (15cm - 30cm)
Spread 1' - 2' (30cm - 60cm)
Maintenance Low
Water Needs Low
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen, Plant of Merit
Tolerance Dry Soil
Garden Uses Patio And Containers
How Many Plants
Do I Need?

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