
Pelargonium zonale
The zonal geranium is one of the most popular ornamental plants on balconies and gardens worldwide. It stands out for its umbel-shaped inflorescences with vibrantly colored flowers, such as the intense pink with dark spots seen in the image, and its rounded leaves with a characteristic dark band or "zone." Its habit is upright and bushy, providing a persistent explosion of color during the warm months of the year.
It belongs to the Geraniaceae family and is native to South Africa. Botanically, it is a perennial sub-shrub that prefers temperate climates and very well-drained soils to prevent root rot. Its stems tend to become woody with age, and its leaves have glandular hairs that release a characteristic aroma when rubbed, which often acts as a natural repellent against certain insects.
Its cultivation is extremely simple, making it the ideal plant for gardening beginners. It requires direct sun exposure for strong flowering and moderate watering, always letting the top layer of the substrate dry out. A botanical curiosity is that, although commonly called geraniums, they technically belong to the Pelargonium genus, differing from true Geraniums by the slight asymmetry of their flowers.
2-3 times/week in summer; let substrate dry between waterings.
Full sun or very bright partial shade; minimum 6 hours daily.
Ideal 15-25°C; protect from intense frost.
Universal mix with good drainage; avoid prolonged waterlogging.
Flowering plant fertilizer every 15 days (spring-summer).
Examples shared by the community when the plant was in bloom
Commonly called geraniums, they technically belong to the genus Pelargonium, differing from true Geraniums by the slight asymmetry of their flowers.
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