Moss Rose (Portulaca grandiflora)
Grandiflora
About this plant
Portulaca grandiflora, commonly called Moss Rose, is a low-growing, flowering succulent known for its bright, colorful blooms that open in the sun and close at night. It has fleshy leaves and thrives in hot, dry environments. Often used as ground cover or in rock gardens, it adds vibrant color during summer months.
Taxonomy
Higher classification: Order Caryophyllales
Origin & Distribution
- Native region
- South America (Brazil, Argentina)
- Distribution
- Widely cultivated worldwide in warm climates and as an annual in cooler regions.
Care
- Suitable locations
- Outdoor, Balcony, Greenhouse, Indoor
- Preferred window facing
- South-facing, West-facing, East-facing
- USDA hardiness zones
- 10-11
- Soil pH
- 6.0-7.5 (neutral to slightly acidic)
- Soil type
- well-draining sandy or loamy soil
Watering. Water moderately, allowing soil to dry out between waterings. Avoid waterlogging to prevent root rot.
Fertilizing. Fertilize lightly once a month during the growing season with a balanced, water-soluble fertilizer. Avoid over-fertilizing, which can reduce flowering.
Portulaca grandiflora is a tough, low-maintenance plant that thrives in sunny, dry conditions. It prefers well-draining soil and can tolerate drought once established. Overwatering can cause root rot, so water sparingly. It requires minimal care and is suitable for beginners.
Propagation
- Propagation methods
- Seeds, Cuttings
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Bright, rose-like flowers in various colors and succulent, needle-like foliage.
Toxicity & Safety
Non-toxic to humans and pets, safe to grow around children and animals.
Allergy information
Portulaca grandiflora may cause mild skin irritation in sensitive individuals due to its sap. It is not known to produce airborne pollen that triggers allergies. To reduce exposure, avoid direct contact with the plant's sap and wash hands after handling.
Common problems
Common problems include root rot from overwatering and leggy growth if not enough sunlight is provided. Occasionally, aphids or fungal diseases may appear if conditions are too damp.
Uses
Used as an ornamental ground cover or in containers for bright summer color. Also popular in rock gardens and hanging baskets.
Notes
Prune spent flowers to encourage more blooms. Repotting is rarely needed as it grows close to the ground. Avoid excessive watering to prevent root rot.