Martha Washington Geranium
Pelargonium domesticum
Domesticum
About this plant
Pelargonium domesticum, commonly known as Martha Washington Geranium, is a popular flowering plant known for its large, colorful blooms and attractive foliage. It is often grown as an ornamental plant in gardens and containers. The flowers come in various shades of pink, red, white, and purple, often with striking patterns. This plant is appreciated for its long blooming period and pleasant scent.
Taxonomy
- Genus
- Pelargonium
- Family
- Geraniaceae
- Higher classification
- Order Geraniales
- Plant type
- Houseplant
- Lifespan
- Perennial
Origin & Distribution
- Native region
- South Africa
- Distribution
- Widely cultivated worldwide as an ornamental plant, originally native to South Africa.
Care
- Light preference
- Full sun
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 30 °C
- Optimal
- 15–24 °C
- USDA hardiness zones
- 9–11
- Soil pH
- 6.0–7.0 (slightly acidic to neutral)
- Soil type
- well-draining potting soil
Watering. Water when the top inch of soil feels dry. Avoid waterlogging to prevent root rot. Reduce watering in winter.
Fertilizing. Feed every 4-6 weeks during the growing season with a balanced, water-soluble fertilizer to encourage healthy growth and flowering.
Pelargonium domesticum is a hardy plant that grows well in sunny spots. It prefers well-draining soil and does not like to be overwatered. Regular deadheading helps promote more flowers. It is generally low maintenance and suitable for beginners.
Propagation
- Propagation methods
- Cuttings, Seeds
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Large, colorful flowers with patterned petals and aromatic leaves.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
Generally non-toxic but may cause mild skin irritation in sensitive individuals. Keep away from pets to avoid chewing.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen, Sap or latex, Skin contact
- Pollen level
- Moderate
Pelargonium domesticum can cause mild allergic reactions in some people, especially those sensitive to pollen or plant sap. The main triggers are its pollen and sap. Symptoms might include skin irritation or sneezing. To reduce exposure, avoid touching the sap and keep the plant in a well-ventilated area.
Common problems
Overwatering can cause root rot. Too little light may reduce flowering. Occasionally, pests like aphids or whiteflies may appear.
Uses
Primarily grown as an ornamental plant for its attractive flowers and pleasant scent. Suitable for garden beds, containers, and indoor decoration.
Notes
Prune after flowering to maintain shape and encourage new growth. Repot every 2-3 years to refresh soil and provide space for roots.