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Black-eyed Susan

Black-eyed Susan
Photo: Lorna Rose
Invasive Plant
Black-eyed Susan
Thunbergia alata
 

Vigorous herbaceous perennial climber that can reach 3-4m. Deep green triangular leaves to 7cm form a thick cover. Flowers are borne in warmer months on single stalks, varying from fellow to bright orange, with a dark black throat. These are followed by small hairy seed capsule holding a few small seeds.

 

HOW IT SPREADS

  • Whilst the plant does produce seeds the major source of spread is through the dumping of garden waste.
  • The plant also spreads by virtue of its vigorous vegetative habit.
 
 
Grow Me Instead
 

Other superior selections include;

  • Pandorea pandorana - Wonga Wonga Vine
  • Wisteria sinensis - Wisteria

Ask your local retailer for more superior selections

 

Alternative Plants

Bougainvillea
Photo: immij floramedia
Alternative Plant Bougainvillea
Bougainvillea glabra 'Magnifica'
Climbing and Ground Cover Plants
 

This summer flowering climber can be grown as a climber up a wall or trellis or grow as a mounding ground-cover. The most attractive purple flowers (actually bracts or modified leaves) are borne on mass. This plant performs best in full-sun and requires well-drained soil. There are many improved hybrids available for you to choose from - whites, pinks, yellows and even some variegated forms. Dwarf varieties are also available.

Bower of Beauty
Photo: immij floramedia
Alternative Plant Bower of Beauty
Pandorea jasminoides
Climbing and Ground Cover Plants
 

Vigorous climber to spreading shrub with dark green glossy pinnate leaves. Flowers are borne in terminal clusters in the warmer months and are pink with a dark carmine throat. There are several cultivars including 'Lady Di' that has cream flowers.

Carolina Jessamine
Photo: immij floramedia
Alternative Plant Carolina Jessamine
Gelsemium sempervirens
Climbing and Ground Cover Plants
 

This evergreen hardy climber is usually seen around 3 metres in height, but with support of other shrubs it can grow taller. During the spring flowering period it is covered with a multitude of fragrant bright yellow flowers which can continue on through until autumn. The dark green foliage provides a lovely backdrop for the flowers. This vine can be trained to cover fences, walls or pergolas.

 
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