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SCENTIFIC NAME: Citrus × microcarpa

KNOWN AS: Calamansi

CLIMATE (LOCATION): Southeast Asia | Tropical

DESCRIPTION: Calamondin in a small citrus fruit tree that produces small, tangy, orange-like fruits that are popular in Filipino, Malaysian, and Indonesian cuisines

Easy difficulty & pet toxic

Calamondin Plant Care


Light Requirement: Full Sun (Bright Direct Light) & High Light (Bright Indirect Light)

The best lighting for an indoor calamondin plant is bright, direct sunlight. These plants also like some bright, indirect light as well. Be aware that your calamondin tree might not fruit if not given adequate bright, direct light. Place your calamondin plant near a south-facing window, or supply artificial light by using LED grow lights. Avoid placing them in a dimly lit area or in direct sunlight for extended periods, as this can cause the leaves to burn or the plant to become stressed.


Quick Tip: Water until water comes out of drainage holes. Allow top 2 inches of soil to completely dry between waterings.

The watering method for indoor calamondin plants requires a bit of care and attention. These plants prefer to be kept evenly moist but not waterlogged, so it's important to monitor the soil moisture level and water as needed. It's best to water calamondin plants with room temperature, non-chlorinated water, as they are sensitive to chemicals in tap water. When watering, be sure to thoroughly saturate the soil until water drains out of the bottom of the pot, but avoid leaving the plant sitting in standing water, as this can lead to root rot. It's also helpful to mist the foliage regularly to provide additional moisture and humidity. In general, calamondin plants need less water during the winter months when they are in their dormant phase. It's important to monitor the plant's response to the watering schedule and adjust as needed based on environmental conditions and the plant's growth stage. Overwatering or underwatering can cause problems for calamondin plants, so consistency and balance are key to keeping them healthy.


Preferred Temperature: 60º - 80º

Calamondin, prefers warm temperatures between 60-80°F (15-27°C) during the day and a minimum of 55°F (13°C) at night. They require a humid environment and prefer moist but not waterlogged soil. It's important to provide adequate humidity by misting the leaves regularly, placing a tray of water near the plant, or using a humidifier. Calamondin prefers bright, indirect light, but it can tolerate some direct sunlight. It's important to avoid exposing the plant to temperatures below 50°F (10°C), as this can cause damage to the plant. Additionally, it's important to avoid exposing the plant to sudden changes in temperature or drafts, as this can cause the leaves to drop by shocking and drying out the plant. Calamondin is a popular indoor plant and has specific care requirements, so it's important to do research to ensure optimal growing conditions.


Preferred Humidity: 40 - 50%; Moderate Humidity

Calamondin plants prefer moderate to high humidity levels, ideally between 40% to 50%. Humidity is especially important when the plant is in its active growing phase. Low humidity levels can cause the plant to suffer from dry foliage and increased susceptibility to pests and diseases, while high humidity levels can increase the risk of fungal diseases, like all things with plants a balance is required for successful indoor growing. To increase humidity levels around the plant, you can mist the foliage regularly, place a tray of water near the plant, or use a humidifier. It's important to avoid getting water on the blooms and fruits, as this can cause damage. In addition to maintaining proper humidity levels, it's also important to provide adequate air circulation around the plant to prevent the buildup of moisture and reduce the risk of fungal diseases. With the right level of humidity and care, calamondin plants can thrive.

Additional Plant Care

Calamondin plants (Citrus microcarpa) can be propagated through several methods, including seed propagation, cutting propagation, and air layering. For seed propagation, plant the seeds in a well-draining potting mix and keep the soil consistently moist. Cuttings can be taken from the plant's new growth and placed in water to encourage root development, then transplanted to a potting mix once roots have formed. Air layering involves creating a small wound on a branch and then wrapping it in moist sphagnum moss and plastic wrap until roots form, then transplanting to a potting mix. Regardless of the propagation method used, it is important to provide consistent moisture, warmth, and indirect light to encourage successful growth. The idea is to mimic the plants natural environment.
Calamondin plants are toxic, caution should be exercised when handling them. The sap and leaves have proven highly irritating and damaging to humans and animals alike.
To repot a Calamondin plant, first, choose a pot that is one size larger than the current pot and has drainage holes. Fill the bottom of the pot with a layer of small stones or gravel to aid drainage. Use a well-draining potting mix, such as a mix of peat moss, perlite, and sand, and fill the pot about a third of the way. Carefully remove the plant from its old pot and loosen any tangled or compacted roots. Place the plant in the new pot and add more soil around the root ball, pressing it down lightly to remove any air pockets. Water the plant thoroughly and place it in a sunny location with indirect light. Allow the soil to dry out slightly between watering, and avoid overwatering or allowing the plant to sit in standing water. Additionally, consider adding a layer of mulch to help retain moisture and improve drainage.
Calamondin, a small citrus tree, can be easily grown from seeds to bring the delight of its tangy fruits into your home. To start the process, moisten a seedling tray or small pots filled with a well-draining potting mix. Place the seeds about half an inch deep into the soil and cover them gently. Provide warmth by placing the tray or pots in a location with consistent temperatures between 70-80°F (21-27°C). Ensure that the soil remains consistently moist but not overly saturated. Germination typically takes around 2-4 weeks. Once the seedlings have emerged, provide them with ample bright light, such as near a sunny window. Regularly water the young plants, allowing the top inch of soil to dry between waterings. As the calamondin grows, you can transplant it into a larger pot or into the ground, ensuring it receives full sun exposure.
To prune a Calamondin plant, use sharp, clean shears to remove any dead, damaged, or diseased branches or leaves as soon as possible. Prune the plant in late winter or early spring before new growth begins. Remove any branches that are crossing or rubbing against each other. If the plant is overgrown, you can prune up to one-third of the total growth before shock for the plant starts to set in. Additionally, you can pinch back the tips of new growth to encourage branching and a fuller plant. After pruning, water the plant thoroughly and resume regular care. The plant should produce new growth and possibly flowers in the coming weeks to months.
Calamondin plants require regular fertilization to maintain their health and promote fruit production. Use a citrus-specific fertilizer and apply it to the soil every four to six weeks during the growing season, which is typically spring and summer. Follow the package instructions carefully, and avoid over-fertilizing the plant, as this can lead to salt buildup in the soil and burn the roots. It's important to water the plant thoroughly before fertilizing to avoid burning the roots, and to avoid fertilizing the plant during the dormant season when it is not actively growing. Calamondin plants prefer slightly acidic soil, so consider using a fertilizer formulated for citrus trees. Regular fertilization can help keep the plant looking healthy, promote new growth. Additionally, using a fertilizer with a higher nitrogen content can promote lush foliage growth, while a fertilizer with a higher potassium content can encourage fruit production. Be sure to water the plant regularly to help prevent fertilizer burn and to maintain the plant's health.
Calamondin plants prefer well-draining soil that is slightly acidic and rich in organic matter. A recommended soil mixture consists of equal parts of peat moss, perlite, and vermiculite, with some compost added in to increase the organic content. It is important to avoid using soil that contains too much sand, as this can cause the soil to dry out too quickly. Additionally, calamondin plants should be grown in a pot with drainage holes to prevent water from accumulating in the soil, as this can cause root rot. The soil should be kept evenly moist, but not soaked, and the plant should be watered with room-temperature water to avoid shocking the roots. During the growing season, it is recommended to fertilize calamondin plants every two weeks with a balanced, water-soluble fertilizer. With the right soil conditions and proper care, calamondin plants can produce fragrant blooms and edible fruits, but be careful they are very tart!
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Calamondin Lighting Requirements: Full Sun (Bright Direct Light) & High Light (Bright Indirect Light)

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