Medinilla magnifica (Rose Grape Plant) Indoor Care; Watering, Light, Soil, Problems

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Medinilla magnifica also called Showy Medinilla, Pink Lantern or Philippines Orchid bears spectacular, pendant, rosy-pink flower-heads and is a great addition to any plant collection. The large, leathery, oval leaves are prominently veined, have wavy edges and are borne in pairs. The stems are winged.

Rose Grape Plant can be grown in a hanging basket, on a pedestal or a table top where the large, pendant flowers can beautifully hang downwards.

Botanical name: Medinilla magnifica
Family: Melastomataceae
Common names: Rose Grape, Showy Medinilla, Philippines Orchid, Pink Lantern

Origin

Rose Grape Plant is native to the Philippines where it grows as an epiphyte on trees. Medinilla magnifica is named after José de Medinillay Pineda, who was governor of Mauritius in 1820. The species name 'magnifica' means 'magnificent', 'great', 'eminent', or 'distinguished'.

Flower

The inflorescences in Medinilla magnifica are arching panicles of pink flowers, with showy pink basal bracts and are about 1.5 feet long.

How big do Medinilla magnifica get?

Medinilla magnifica is a slow-growing tropical plant which grows to a height of about 2-3 feet and a spread of about 2-3 feet. The leaves are about 1 foot long.

Is Medinilla magnifica poisonous?

Medinilla magnifica is non-toxic to both humans and pets. It is among the pet-fiendly plants making it safe for cats, dogs and other pests.

Where to Buy

Rose Grape Plants are a great addition to your plant collection. You may obtain these plants online from Etsy (Link to Etsy).

How to Care for Medinilla magnifica Indoors

To care for Rose Grape Plant indoors, provide bright indirect light, warmth of 16-24⁰C, humidity of 60-70% and moderately moist, fertile, well-drained soil coupled with fortnightly feeding in the growing season.

Medinilla magnifica requires regular pruning to keep it neat as well as encourage a bushy growth. Repotting is only necessary when it becomes pot-bound. Keep reading for more on the best growing conditions and how to achieve them.

Watering

Water Medinilla magnifica liberally in spring and summer while allowing the top 2-3 inches of soil to dry out between waterings. Keep the soil moderately moist and avoid overwatering to prevent rotting, drooping, yellowing leaves and mushy stems.

Cut down watering in fall and winter to maintain the soil barely moist since growth is reduced at this time. However, do not allow the soil to dry out completely as it can result in wilting and drooping leaves and dry, crispy leaf edges.

Use room temperature water to avoid shocking the roots of this tropical plant which can cause slow growth and leaf drop. Avoid chlorinated water as it can cause browning of leaf tips and edges; water with rain water or filtered water.

Pot your plant in a pot that has a drainage hole and well-draining soil to prevent sogginess which can lead to root-rot and eventual death of the plant. Avoid wetting the foliage to minimize fungal diseases.

Light requirements

Rose Grape Plant prefers bright indirect light (dappled light); position in next to a bright, sunless window. Keep it away from direct sunshine to avoid scorching of the leaves.

Too little light can result in yellowing, leaf drop, leggy growth and fewer flowers. Therefore, if you do not have adequate light in your home, use a grow light to supplement it.

Once a month, give the pot a quarter turn, to ensure that the plant receives light on all sides for balanced growth and also prevent legginess.

Temperature & Humidity

Medinilla magnifica grows best in a warmth of 16-24⁰C; a temperature that is comfortable for you is ideal for this plant. Keep it away from sources of drafts like open doors, drafty windows, AC units, hot air vents, radiators and others, to prevent stunted growth, yellowing, drooping, leaf curl and leaf fall.

Rose Grape Plant thrives in a humidity of 60-70%. Low humidity will result in brown leaf tips and edges. To elevate humidity, set the pot on a wet pebble tray, use a cool mist humidifier or group the plants together. Ensure good air circulation to prevent fungal diseases.

You can also grow the plant in a well-lit bathroom, kitchen, laundry area and other humid places in the home. Do not mist the plant as it promotes fungal diseases.

Fertilizer

Feed your Rose Grape Plant with a phosphorous-rich, water-soluble fertilizer every 2-3 weeks in spring and summer to promote blooming and a healthy growth.

Avoid too much fertilizer as it may result in leggy growth. Do not feed with a Nitrogen-rich fertilizer as it can lead to excessive foliage growth at the expense of flowers.

Stop feeding in fall and winter as growth is reduced at this time; the plant does not need it. Feeding at this time can result in fertilizer burn and death of the plant.

Potting Soil

What kind of soil does a Medinilla magnifica need?

The best soil for Medinilla magnifica should be a free-draining, well-aerated soil that retains moisture without getting soggy. A blend of 2 parts of potting soil and 1 part perlite is a good choice for this plant.

Repotting

Repot Rose Grape Plant at the beginning of the growing season, into a pot one size larger, when the plant becomes pot-bound. Use a pot with a drainage hole and well-draining soil to prevent root-rot.

Top-dress the mature plants which may be difficult to handle, by replacing the top 3-4 inches of soil with fresh potting mix. Check out these pots with drainage hole on Amazon.

Pruning & Grooming

How to prune Medinilla magnifica?

Pruning Medinilla magnifica involves:

• Removal of dead blooms and leaves to maintain the plant neat as well as discourage pest and disease infestations.


• Pinching off the growing tips to encourage growth of a bushy plant.


• Cutting back the plant after flowering to 1/2 of its height to encourage new growth and keep it compact. Use a sharp sterilized pruning scissors for clean cuts as well as minimize fungal and bacterial diseases.

Clean the leaves regularly by damp-wiping with a soft cloth to get rid of dust, to expose maximum surface area for light absorption, and also prevent pest and disease infestations.

Medinilla magnifica Propagation

Rose Grape Plant is propagated during the growing season (spring through summer) from stem cuttings, by air layering or seed germination. Learn how to propagate Medinilla magnifica (Rose Grape Plant).

Medinilla magnifica Problems & Remedies

Rose Grape Plant problems are brown leaves, plant dying, lack of blooms, curling leaves, pests and diseases among others. Keep reading for more on these problems and their solutions.

Brown leaves

Why are the leaves on my Medinilla magnifica turning brown?

Some of the causes of brown leaves on your Medinilla magnifica are improper watering, soggy soil, direct sunlight, temperature stress or overfertilizing.

How to fix it

Improper watering: Water only when top few inches of soil feel dry to the touch. Never let the soil dry out completely.

Soggy soil: Use a free-draining soil and a pot that has a drainage hole.

Direct sunlight: Position the plant in a shaded place away from direct sunlight.

Temperature stress: Keep the plant away from drafts emanating from AC units, windy doors, stoves and others.

Overfertilizing: Feed every 2-3 weeks in the spring and summer with a phosphorous fertilizer, do not feed in the fall and winter.

Pests

What are the pests of Medinilla magnifica?

Common pests of Medinilla magnifica are spider mites, scales and aphids which are prevalent in dry conditions.

How to fix it

1. Isolate the affected plant to prevent spread to other plants and treat it with neem oil or insecticidal soap. Ensure to follow the manufacturers' instructions.


2. Keep the plant well pruned to discourage the pests.


3. Set the pot on a wet pebble tray or group the plants together to increase humidity to reduce the pests infestations.

Plant dying

Why is my Medinilla magnifica dying?

Your Medinilla magnifica is dying due to root-rot which is common in soggy soil. It is characterized by yellowing and wilting of the leaves which is rapidly followed by browning and plant collapse.

How to revive a Medinilla magnifica?

1. Carefully, slip the plant out of its pot and inspect the roots.


2. Trim brown-black mushy roots and treat the healthy roots with a copper-based fungicidal solution as indicated by the label.


3. Disinfect the pot with the fungicidal solution or use a fresh pot to repot the plant in fresh well-drained soil.


4. Withhold watering and keep the plant dry for some time before you can resume watering.


5. To prevent root-rot in the future, make sure that the pot has a drainage hole to prevent the soil from getting soggy.


6. Decrease watering in fall and winter as growth is minimal at this time; maintain the soil slightly moist.

Diseases

What are the common Medinilla magnifica diseases?

Medinilla magnifica is prone to leaf spot and powdery mildew which are promoted by overwet conditions coupled with poor air circulation.

How to fix it

Improve airflow for your plant, avoid wetting the foliage, and treat the affected plant with a copper-based fungicide. Ensure to follow the directions on the label.

Lack of blooms

Lack of blooms on Medinilla magnifica is caused by too little light, nutrients deficiency or inconsistent watering.

How to fix it

Too little light: Move the plant to bright indirect light or instal a grow lights if you do not have enough light in your home.

Nutrients deficiency: Feed with a phosphorous-rich, water-soluble fertilizer every 2-3 weeks in spring and summer. Avoid nitrogen-rich fertilizer as it leads to vegetative growth at the expense of blooms.

Inconsistent watering: Water when the top 1-2 inches of soil to dry out and do not allow the soil to dry out completely.

Curling leaves

Curling leaves on Medinilla magnifica iare caused by temperature stress, underwatering or dry air.

How to fix it

Temperature stress: Keep the plant away from drafts from AC units, windy doors, drafty windows among others.

Underwatering: Water when the top 1-2 inches of soil dry out. Do not let the soil ball dry out completely.

Dry air: Set the pot on a wet pebble tray, use a cool mist humidifier or group the plants together to raise humidity.

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