Hylocereus costaricensis
Images by part: leaf (5) · flower (2) · fruit (1) · bark (2) · habit (0) · other (0)

Hylocereus costaricensis

Costa Rica nightblooming cactus · Red-dragon-fruit · Pitaya · Costa Rica night-blooming cactus

Tier 1 Difficulty: easy Water: low Light: full_sun
Water every
14 days
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 10–11
Click count
27
Observations
19

Description

Source: leafsnap

Selenicereus costaricensis, synonym Hylocereus costaricensis, known as the Costa Rican pitahaya or Costa Rica nightblooming cactus, is a cactus species native to Costa Rica, Panama and Nicaragua. The species is grown commercially for its fruit, called pitaya or pitahaya, but is also an impressive ornamental vine with huge flowers. The species may not be distinct from Selenicereus monacanthus.

Care Guide

💧 Water Every 2 weeks

The Costa Rican pitahaya thrives in high humidity and can adapt to periods of dryness, demonstrating moderate drought tolerance. To promote lush growth, it is recommended to water the plant every two weeks. The pitahaya grows best outdoors where it can benefit from natural rainfall, making it particularly well-suited for regions with wet seasons that resemble its native environment.

Suggested frequency: Every 2 weeks
FAQ
How should I water my Costa Rican pitahaya plant?

Knowing the different techniques for watering the Costa Rican pitahaya is crucial. Many may wonder if they should water it from top to bottom or vice versa. Experts recommend starting from the bottom as it ensures that the roots receive enough water. Starting from the top does not provide adequate saturation; the water trickles and evaporates, resulting in only a small amount reaching the roots.

What should I do if my Costa Rican pitahaya doesn't have enough water?

If you find that your flowers are drying out despite watering them regularly, the issue may be with the container they are planted in. In this case, choose a larger container with good drainage. It's important to use the right potting soil and clean sand mixture to help the plant absorb more water easily. This species is an epiphyte and cannot handle soggy roots, as it obtains water and nutrients from the air. Therefore, proper drainage is necessary to prevent fungal infections. If your cactus becomes limp, you can transfer it to fresh soil. Gently remove as much of the old soil as possible and keep the new soil evenly moist. Mist the cactus frequently if possible. After the flowers have finished blooming, reduce watering until new buds appear. Be careful not to let the soil dry out too much, as this can cause the buds to drop. Underwatering followed by overwatering is a common mistake made by many owners of these succulent cacti. The lack of water may not be noticeable until it's too late, so it's important to pay attention to signs of wilting or withering. While it is tempting to overcompensate with excessive watering, this can lead to desiccated roots that cannot take in any more water. This can result in waterlogged plants and rotting roots. If you notice signs of underwatering, you can try to revive the cactus by providing regular and frequent, yet controlled, watering. Give the cactus a chance to regenerate and recover its roots without overdoing it.

How often should I water my Costa Rican pitahaya plant?

To keep the Costa Rican pitahaya healthy, it is important to water it properly throughout the year. Use well-draining soil and pot it in a suitable container to encourage beautiful blooms. The amount of water needed for the Costa Rican pitahaya can vary, but a good rule of thumb is to water when about 1/3 of the topsoil is dry, which is usually once a week. Check the soil by feeling about two inches down with your fingers. If the top layer of soil is very dry, water the plant until the excess water drains out through the pot's drainage holes. Make sure to have a tray underneath the pot to catch any extra water, but discard it after 10 to 15 minutes to prevent root rot. During the flowering stage, water sparingly and only when you notice the leaves drooping. To add humidity, place pebbles in the saucer of the pot and add water to them. Avoid letting the pot sit in water, especially during winter when the soil takes longer to dry. Consider the climate when watering the Costa Rican pitahaya. In dry and hot climates, watering twice a week may be necessary, while in humid areas, watering once a week will suffice. Water less frequently in the fall and winter to promote blooming. If the pots are exposed to a lot of sunlight, they may need more frequent watering, whereas in cooler and more humid environments, watering can be reduced.

What will happen if I give too much water to my Costa Rican pitahaya?

If you overwater your Costa Rican pitahaya, it may look limp or wilted. To correct this, give it a small amount of water when you notice it has been neglected for too long. Gradually water it sparingly until you see slight moisture in the soil. Overwatering can lead to a fungal infection called white rot and cause the leaves to droop and wilt. Just like any other species, the cactus cannot tolerate overwatering or underwatering. It is also important to avoid dry soil as this can cause the flowers to drop, which is undesirable.

Should I change how often I water my Costa Rican pitahaya based on the time of year?

The cold months and hot months have different characteristics. In winter and fall, temperatures drop and it takes longer for the soil to dry, meaning you don't need to water succulents often. Costa Rican pitahaya blossoms best during these seasons. To keep the plant healthy, water it sparingly. In October, stop watering if the soil is already too wet, then resume in November with light moisture if it is still cool. When the blooms appear, refrain from watering for a few weeks to allow the plants to rest from excessive moisture. They are delicate, so once new growth is visible, you can water them once a week if necessary.

☀️ Light Full sun

Costa rican pitahaya thrives in areas with abundant sun, allowing it to take in enough sunlight for optimal growth. It can also grow in places that receive a moderate amount of sunlight. Too much exposure can cause sunburn, while too little light may hinder its growth. Its natural habitat features substantial sun exposure.

Ideal: Full sun
FAQ
How much sunlight does Costa Rican pitahaya need to grow?

Tropical ornamental plants that thrive in full sun require at least 6 hours of direct sunlight each day. These plants are well-suited to areas with strong and direct sunlight, as they need this light to flourish. In their natural habitats, they tend to grow in open fields or along forest edges, where they can enjoy abundant sunlight all day long.

What happens if Costa Rican pitahaya doesn't get enough sunlight?

Tropical ornamental plants that need full sun may face issues if they don't receive enough sunlight. They might become leggy and weak, and their leaves could turn yellow or pale. Furthermore, they may stop producing flowers. Ultimately, if these plants continue to lack the required amount of direct sunlight, there is a possibility that they may die.

What happens when Costa Rican pitahaya gets too much sunlight?

Tropical ornamental plants that thrive in full sun require ample direct sunlight, but excessive exposure to intense sunlight can harm them. Prolonged periods of direct sunlight can cause sunburned leaves or the development of unsightly brown spots. Additionally, if the soil dries out too rapidly in full sun, these plants may become dehydrated.

How can you keep Costa Rican pitahaya safe from too much sunlight?

To protect tropical ornamental plants that thrive in full sun, it's important to find a spot with ample direct sunlight but some shield from the intense midday heat. If you're growing these plants in containers, you can move them to a shadier area during the hottest hours to shield them from excessive sunlight. Another option is to offer shade using a shade cloth or umbrella during the peak heat of the day.

🌡️ Temperature 20–37.8°C

Costa Rican pitahaya comes from areas with temperatures between 68 and 100 °F (20 to 38 °C). It prefers similar temperatures, implying that warmth supports its growth. Modify conditions with the seasons to keep it within this range.

Ideal temperature: 20–37.8°C
FAQ
What is the best temperature for Costa Rican pitahaya?

To help your tropical plants thrive, it's best to maintain a temperature range of 75℉ to 90℉ (25-32℃). While different species can tolerate temperatures outside this range, sticking within a few degrees of these limits will ensure optimal growth. However, there are extreme temperature limits to be aware of. Anything below 50℉ (10℃) or above 95℉ (35℃) can hinder growth and cause issues with the leaves and stems. Low temperatures are particularly damaging, as even a light frost can lead to the death of your tropical plants. In fact, cellular death can occur rapidly, with some species dying within 12 to 24 hours.

Do Costa Rican pitahaya need different temperatures for different stages of growth?

Costa Rican pitahaya does not require temperature changes to enter different growing phases, but it is important to maintain consistency. Fluctuations in temperature can slow down its growth, regardless of the phase it is currently in, so it is recommended to keep the plant in a controlled environment. It is crucial to maintain an optimal temperature range of 75℉ and 90℉ (25-32℃), especially making sure it doesn't go below the lower limit. While temperatures above 90℉ (32℃) are not ideal, as a tropical plant, it can tolerate them to some extent. On the other hand, temperatures below 50℉ (10℃) and particularly 40℉/5℃ can directly harm this species, which thrives in heat.

Does the type of pitahaya from Costa Rica require different temperatures depending on the season?

Costa Rican pitahaya grows well in a consistent temperature range, so it does not require different temperatures for different seasons. To provide the best care, it is recommended to keep this plant indoors. This allows you to control the temperature regardless of the outdoor climate. Light is also crucial for tropical species, including pitahaya. They prefer partial shade or filtered sunlight, meaning the light they receive should be dappled or indirect. Too much direct sunlight can harm the plant's leaves and hinder its growth.

What temperature do you need to keep your Costa Rican pitahaya fruit healthy?

Here are three tips to help you take care of your plants: 1. Keep your plants away from windows during colder months: Cold air can leak into your home through cracks in the windows, and any plants placed near them will be affected. Move tropical plants to an area with bright but indirect light, while avoiding potential drafts. 2. Watch out for dry patches, which may indicate too much sunlight or heat: If you notice white or scorched leaves, your plant may be getting too much heat or sunlight. This can lead to dehydration and hinder growth. Dry spots can spread and eventually cause your plants to die if left unaddressed. 3. Be cautious of frost: Colder temperatures and frost can damage plants by disrupting their water circulation. This can lead to a lack of moisture in the stems and leaves. Look out for signs of hydrosis (a water-soaked appearance) and if the issue persists, the plant may shrivel and turn dark brown or black, eventually leading to death.

How can I make sure my Costa Rican pitahaya stays at the correct temperature?

When caring for Costa Rican pitahaya, it's important to keep an eye on the climate and humidity to maintain the right temperature range. Ideally, you should keep each species in a room with climate control to best simulate its natural habitat. Monitoring humidity levels is also crucial as they directly affect temperature. To increase humidity, you can use a humidifier or lightly mist the leaves with water. However, if you plan to grow this species outdoors, it may be challenging to maintain the right temperature and humidity. In such cases, it's recommended to find a space inside your home and move the plant there if temperatures drop or the air becomes too dry. An indoor growing space allows for better control of the climate, helping your plant thrive.

💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

For Costa Rican pitahaya, light applications of fertilizer once or twice a year during the growing season are adequate. Do not fertilize in winter or summer when the plant is dormant. Reduce fertilizer for repotted plants and wait a couple of months after repotting before applying any. Fertilizing promotes healthy growth and encourages blooms.

FAQ
Why should I add fertilizer to my Costa Rican pitahaya plant?

If the soil in your area is rich, there may be no need to fertilize. However, if the soil lacks nutrients, it can impact the growth of a Costa Rican pitahaya, resulting in insufficient leaves, flowers, and fruits. Conducting a soil test is the most effective way to assess the nutrient content and deficiencies. Nutrient deficiencies in Costa Rican pitahayas can lead to small leaves, short branches, yellowing or bronze-colored leaves, as well as more acidic and less flavorful fruits. Certain nutrient deficiencies can even cause the fruit to prematurely fall off or split.

When should I fertilize my Costa Rican pitahaya?

To support the strong leaf and root development of young Costa Rican pitahaya for future growth, it is recommended to provide higher nitrogen and phosphorus fertilizer. The best time to apply fertilizer is during the spring of the first growing season. It is advised to mix in compost or another fertilizer into the soil before or immediately after planting. For mature plants, it is necessary to supplement with a balanced fertilizer or one that addresses specific soil deficiencies in your area every few years during the spring and summer season. It is important to avoid fertilizing Costa Rican pitahaya in the autumn or winter.

When is the best time to not add fertilizer to my Costa Rican pitahaya plant?

To ensure the health of your Costa Rican pitahaya, it's important to follow these guidelines: First, avoid fertilizing after pruning, when the plant is dealing with disease, insects, or other stress factors. Fertilizer is effective only in treating soil with insufficient nutrients, and cannot address any other underlying issues that may be causing problems for the pitahaya. It is crucial to accurately diagnose the problem before applying fertilizer, as there may be an alternative cause that needs to be addressed instead. Lastly, avoid fertilizing during the winter or during hot and dry periods of the summer.

What kind of fertilizer should I use for my Costa Rican pitahaya?

Costa Rican pitahaya typically grow in tropical areas with abundant organic matter in the environment. While they can benefit from fertilizer to meet their nutrient needs, when growing for fruit, it's recommended to use high-phosphorus organic fertilizers like mushroom compost, bone meal, and poultry manure. These fertilizers support the development of tasty and well-formed fruits. When buying fertilizer, look for the NPK number on the label, which represents the nitrogen, phosphorus, and potassium ratio. Nitrogen deficiency is common in soil, but a soil test is the best way to determine which nutrients your soil may lack and need extra supplementation.

How can I make my Costa Rican pitahaya grow better?

When using fertilizer, it is important to follow the instructions provided on the packaging. It is better to use too little fertilizer than to use too much, so it is recommended to be cautious when adding fertilizers. This is particularly true for chemical fertilizers, as they are usually highly concentrated when compared to organic fertilizers. Liquid fertilizers should be mixed with water before being used to water the Costa Rican pitahaya plant. On the other hand, granular or dry fertilizers can be spread around the base of the plant. It is important to ensure that no fertilizer comes into direct contact with any part of the plant. Typically, it is recommended to use fertilizer once every 2-3 weeks during the growing season. As for organic fertilizers, they can either be mixed into the soil prior to planting or spread as a layer over the top of the soil for both newly-planted and mature plants.

🪴 Pot & Repot
✂️ Pruning

The Costa Rican pitahaya is a type of vining cactus known for producing vibrant red fruit with white flesh. To encourage new growth and boost fruit production, prune the plant in early spring by trimming back to healthy buds. This practice also improves air circulation and helps prevent pest infestations.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Shrub
Life Cycle
Perennial
Genus
Hylocereus
Family
Cactaceae
Hardiness Zone
10-11
Mature Height
10.06 m
Mature Spread
91 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
White
Flower Size
15.24 cm to 30.48 cm
Bloom Time
Summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Fall

Tags (7)

Common Names (4)

en Costa Rica nightblooming cactus
en Red-dragon-fruit
en Pitaya
en Costa Rica night-blooming cactus