
Top 10 Must-Have Tropical Plants for Queensland Gardens
Randia fitzalanii, commonly known as Native Gardenia, is a beautiful evergreen shrub or small tree native to tropical and subtropical regions of Australia. Known for its lush, glossy foliage and highly fragrant white flowers, this plant makes a stunning addition to native, rainforest-inspired, or formal gardens. Its neat, rounded habit and ornamental appeal make it perfect for feature planting or hedging in both urban and rural landscapes.
Flowers
Creamy-white, star-shaped flowers bloom in spring to summer and emit a strong, sweet gardenia-like fragrance, particularly noticeable in the evenings. The blooms are highly attractive to bees and other pollinators.
Foliage
Dark green, glossy, and oval-shaped leaves form a dense canopy, creating a lush tropical appearance. The foliage remains attractive year-round and responds well to light pruning.
Fruit
Produces small, round, yellow to orange fruit following flowering. The fruit is edible (though not widely consumed), and attracts native birds and wildlife.
Form and Size
Typically grows as a shrub to small tree, reaching 3–5m high x 2–3m wide, but can be pruned to maintain a smaller size or shaped into a dense hedge. It has a rounded, compact growth habit.
Growing Conditions
Prefers full sun to part shade and well-drained, fertile soil rich in organic matter. Tolerates light frost and periods of dryness once established but performs best with regular moisture. Suitable for tropical, subtropical, and warm temperate climates.
Uses
Ideal for feature planting, informal hedging, screening, or as a specimen tree in native or tropical-style gardens. Also works well in large pots or near patios where its fragrance can be enjoyed up close.
Maintenance
Low to moderate maintenance. Prune lightly after flowering to maintain shape and encourage bushiness. Apply slow-release fertiliser in spring and mulch well to conserve moisture and improve soil health.
Notes
A great native alternative to exotic gardenias, offering similar fragrance with better adaptability to Australian conditions. Provides excellent habitat value for birds and insects.
Companion Plants
Works beautifully alongside Backhousia citriodora, Syzygium australe, Cordyline fruticosa, Alpinia nutans, or Dianella caerulea to enhance native or subtropical plantings.
Common Name: Native Gardenia
Botanical Name: Randia fitzalanii
Family: Rubiaceae
Origin: Northern and eastern Australia
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