rose periwinkle

How to Grow and Care for rose periwinkle

rose periwinkle · Catharanthus roseus
Also known as: cayenne jasmine; Madagascar periwinkle; old maid; Cape periwinkle; East Indian periwinkle; rosy-flowered Indian periwinkle

Madagascar periwinkle is renowned for its low maintenance requirements, making it an ideal plant for beginners. A special care point for madagascar periwinkle is ensuring it receives full sun to partial shade for optimal growth and flowering. Additionally, madagascar periwinkle is drought tolerant but thrives best with regular watering when the soil becomes slightly dry. Overwatering should be avoided to prevent root rot, which is an essential aspect of its care.

Watering: Regular moderate watering, reduce irrigation volume during cool winter restSunlight: Full sunInformation to be completed

Planting and Growing rose periwinkle

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Care difficulty2 / 5
Watering scheduleRegular moderate watering, reduce irrigation volume during cool winter rest
Sunlight requirementsFull sun
Ideal temperature20 – 30 °C
Soil typeChalk · Loam · Sand
Soil pHAcid · Alkaline · Neutral
Soil moistureMoist but well drained · Well drained
FertilizingDiluted flowering annual feed monthly spring through warm summer months
ToxicityInformation to be completed
Care Tips

Grow under glass in a loam-based potting compost with full light and good ventilation. When in growth water moderately and apply a balanced liquid fertiliser monthly. Water sparingly in winter. Can be grown outdoors as summer bedding in most moderately fertile, moist but well-drained soils

How to Water rose periwinkle?

Thriving in its native tropical environment, madagascar periwinkle has adapted to regular moisture and high humidity levels. This species exhibits a preference for consistent hydration but can tolerate short periods of dryness. Watering should occur twice a week to maintain optimal soil moisture. As an evergreen plant, madagascar periwinkle benefits from indoor cultivation where water and humidity can be more closely regulated, ensuring year-round vibrancy.

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What Are the Sunlight Requirements for rose periwinkle?

Madagascar periwinkle thrives best in full sunlight, where its blooms reach their optimal vibrancy and growth is robust. Exposure to bright light for at least 6-8 hours daily is crucial for its health and flowering success. While madagascar periwinkle adapts well to partial sun, lower light levels may lead to decreased bloom production and a leggier growth habit. In outdoor settings, madagascar periwinkle should be planted in spots with direct sunlight, whereas indoors, it should be placed in south-facing windows to ensure sufficient light. Its leaves may exhibit signs of light stress under extreme variances, prompting adjustments for best growth.

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What Is the Ideal Temperature Range for rose periwinkle?

Madagascar periwinkle is resilient to a range of temperatures, tolerating from 0°C (32°F) to 43°C (109°F). Its adaptability to both heat and cold makes it suitable for various environments. Under cold conditions, symptoms like leaf yellowing and wilting may appear, while excessive heat can cause leaf scorch and drooping. To mitigate overcooling, use frost cloths or move indoors. For overheating, ensure adequate watering and provide afternoon shade. These measures help maintain madagascar periwinkle's health, emphasizing its need for protective care during temperature extremes. Thus, madagascar periwinkle is relatively adaptable but requires monitoring to thrive.

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What Soil Is Best for rose periwinkle?

As a tropical plant, the madagascar periwinkle likes slightly acidic soil, meaning that alkaline soil should be avoided. If its soil is too alkaline, its roots will grow poorly and its leaves tend to turn yellow, causing the plant to grow thin and weak. In severe cases, the plant won't be able to bloom, and could even die. Ideally, use loose, permeable, and well-drained loam for planting. Peat, along with organic fertilizer, can be added to improve soil fertility.

Soil type
Chalk · Loam · Sand
Soil pH
Acid · Alkaline · Neutral
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What Are the Moisture Requirements for rose periwinkle?

Moist but well drained · Well drained

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How to Fertilize rose periwinkle?

For optimal health, madagascar periwinkle thrives with regular fertilization, especially using high phosphorus fertilizers to encourage bountiful blooms. Fertilize monthly during spring and summer, halving doses in cooler months to match reduced growth. A balanced 10-30-20 NPK ratio is ideal, applied at half-strength. Over-fertilizing can lead to foliage focus at the expense of flowers, so adhere to guidelines. Seasonal adjustments and proper dosing ensure madagascar periwinkle's vibrancy and longevity. Always water madagascar periwinkle thoroughly post-fertilization to prevent root burn.

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How to Prune rose periwinkle?

Madagascar periwinkle, characterized by its glossy leaves and vibrant blooms, benefits from pruning in early spring or late winter. Trim dead or diseased stems to promote healthy growth and fuller foliage. Shape the plant as needed, maintaining an attractive form. Regularly pinch back new shoots to encourage branching. Pruning not only enhances the plant's appearance but also improves air circulation, reducing the risk of pests and diseases.

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How to Propagate rose periwinkle?

Madagascar periwinkle, known for its glossy green foliage and bright flowers, thrives when propagated through cuttings. For successful growth, choose healthy stem tips, and use a rooting hormone to enhance root development. Plant the cuttings in a well-draining soil mix and maintain adequate moisture and warmth. Protection from direct sunlight initially helps avoid undue stress, ensuring a better success rate.

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How to Transplant rose periwinkle?

The finest season for transplanting madagascar periwinkle is mid to late spring, or mid to late fall, with milder temperatures allowing for optimum root growth. Choose a well-drained, sunny location for madagascar periwinkle; provide ample space between plants to ensure adequate air circulation.

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How to Care for rose periwinkle in Winter?

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How to Plant rose periwinkle?

Indoors-potted: Ensure madagascar periwinkle has ample space to thrive indoors; its evergreen nature brings year-round vibrancy to your home. Outdoors-potted: Madagascar periwinkle prefers the freedom of outdoor growth but will require more frequent repotting to accommodate its spreading habit. Outdoors-in the ground: When planted in the ground, madagascar periwinkle establishes a resilient root system, making it a hardy choice for garden enthusiasts.

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How to Repot rose periwinkle?

Repot madagascar periwinkle every 2-3 years in spring to accommodate its moderate growth as a small, bushy plant. Choose a pot 1-2 inches larger in diameter to ensure room for root expansion. Use well-draining soil and a pot with adequate drainage holes. Post-repotting, ensure madagascar periwinkle receives bright, indirect sunlight and maintain consistent moisture without waterlogging. Friendly reminder: madagascar periwinkle thrives with some extra attention during the recovery phase post-repot.

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How to Harvest rose periwinkle?

Due to different blooming periods, fruit maturity also occurs at different times, and this is when the seeds of the plant can be harvested for sowing. Once the mature fruit turns black, the pericarp easily cleaves, meaning that the seeds will be lost. Therefore, the plant needs to be harvested when the pericarp turns yellow, and the black seeds can be vaguely seen.

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Common Pests & Diseases

Diseases

Generally disease free

Pests

Glasshouse red spider mite and glasshouse whitefly may be a problem

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The Toxicity of rose periwinkle

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More General Info About rose periwinkle

Attributes of rose periwinkle

Plant typeBedding · Conservatory Greenhouse
Height0.1-0.5 metres
Spread0.1-0.5 metres
FoliageEvergreen
HabitBushy
OriginMadagascar

Scientific Classification

Species
Catharanthus roseus
Genus
Catharanthus
Family
Apocynaceae
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FAQs About rose periwinkle

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