Acacia oxycedrus, commonly known as spike wattle, is an erect or spreading shrub which is endemic to Australia.
Spike wattle is resistant to many diseases and is usually not susceptible to illness. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs only light watering, and larger specimens typically do not require pruning. Smaller plants, however, should be trimmed after flowering. Spike wattle is appropriate for anyone with outdoor space—like a garden or a deck—and does not demand extensive gardening experience.
How to keep Acacia Oxycedrus.
Light
Spike wattle is native to open habitats, such as bright meadows and forest margins that offer abundant light. It performs best in Full Sun but can also tolerate Partial Sun, adjusting well to a range of light conditions.
Temperature
Spike wattle shows strong adaptability to a range of climate conditions, whether in blistering summers or frosty winters. It nevertheless has an optimal temperature range for growth. When temperatures become excessively high, the plant can suffer heat and humidity stress, which may lead to death. In areas where temperatures near the lower end of its cold tolerance, it is important to provide insulation to protect the plant.
Fertilizer
Fertilize your Spike wattle in early spring to encourage healthy growth. Regular feeding boosts overall health, producing vigorous growth, better tolerance of challenging conditions, and increased resistance to pests and diseases. Keep to a specific fertilization schedule for your Spike wattle to maintain foliage that is vibrant, deeply colored, and lush.
Pruning
The Spike Wattle is a native Australian shrub known for its spiny branches and vibrant yellow flowers. To maintain its shape, remove dead branches, and promote denser growth, it's best to prune the plant in early spring. Make precise cuts just above the leaf nodes to encourage recovery. Regular pruning also helps prevent disease and improves airflow.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Acacia
- Family
- Leguminosae
- Hardiness Zone
- 9-11
- Mature Height
- 3.05 m to 6.1 m
- Mature Spread
- 3.05 m to 4.88 m
- Leaf Color
- Dark Green, Olive Drab
- Leaf Type
- Evergreen
- Flower Size
- 0.51 cm to 0.76 cm
- Bloom Time
- Late summer, Early fall, Mid fall
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late fall, Early winter, Mid winter
Other names.
Reader questions.
What are the sunlight requirements for Spike wattle (Acacia oxycedrus)?
Spike wattle, or Acacia oxycedrus, thrives in conditions tailored to its sunlight needs. Full sun exposure, which means the plant should receive above 6 hours of sunlight daily, is ideal for its growth and health. Additionally, it can still grow well under partial sun conditions, defined as about 3-6 hours of sunlight daily. It's important to watch how sunlight gracefully moves through your garden, choosing spots that provide the perfect balance of light and shade for your plants. This careful placement ensures their happiness and flourishing.
What is the botanic name of Spike wattle?
The botanic name of Spike wattle is Acacia oxycedrus.
