It is often difficult to find a hardy plant that can tolerate the filtered light under the canopies of large trees. For these tricky areas, the Oyster Plant (Acanthus mollis) is a good performer. Its common name derives from the purple and white shell–shaped flowers that appear on tall spikes in summer. These plants are easy to care for and will provide lovely foliage texture to the shaded areas to your garden.


How to grow Oyster Plant in a garden

  1. Choose a position in morning sun or full shade with moist but well drained soil.
  2. Enrich the soil with Yates Thrive Natural Blood & Bone with Seaweed. If the soil is clay based, add gypsum and fork in well. 
  3. Dig the planting hole twice as wide and to the same depth as the root-ball. Remove the plant from the container and gently tease the roots.
  4. Position in hole and backfill, gently firming down. Form a raised doughnut shaped ring around the plant, creating a well so that water will go where it’s needed most. Water in well. 
  5. Mulch with an organic mulch like woodchip or pea straw, keeping it away from the base of the plant.
  6. Water deeply, then once or twice a week, depending on weather conditions.
  7. During the growing and flowering season feed with Yates Thrive Rose & Flower Granular Plant Food. TIP: for an added boost apply Yates Thrive Natural Fish & Seaweed+ Plant Food Concentrate.
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How to grow Oyster Plant in a pot

  1. Choose a pot at least 400mm wide.
  2. Position pot in morning sun or full shade.
  3. Fill the pot with quality potting mix such as Yates Premium Potting Mix.
  4. Remove the plant from the container and gently tease the roots. Position in hole and backfill, gently firming down.
  5. Water in deeply, then once or twice a week, depending on weather conditions.
  6. Feed with Yates Thrive Roses & Flowers Liquid Plant Food. TIP: for an added boost apply Yates Thrive Natural Fish & Seaweed+ Plant Food Concentrate.

Growing tips

  • Remove spent flowers to encourage further growth and control the spread of seeds.

  • Can become weedy in certain areas. Regularly trim back and remove any dead plants to retain control and keep beds clean.

  • Clean up plants by removing any damaged leaves or flowers.

More Plants

Flax

Flax (Phormium spp.) are highly versatile plants which can grow well in swampy or dry conditions. Great for large pots or en-masse in garden beds.

English Daisy

English Daisy flowers come in single or double forms in colours of pink, red and white. Ideal in pots or in the garden as a border plant or en masse.

Echinacea

Echinacea is a hardy herbaceous perennial with large fragrant pink daisy-like flowers. Used for therapeutic purposes and as a delicious tea.

Virginian Stock

Bright pink, purple, and white blooms prolifically cover this flowering annual in spring and summer. They're easy to grow and are perfectly suited to garden beds, borders and pots.


Recommended products

Yates Premium Potting Mix

A premium potting mix, ideal for all potted plants and shrubs, including ornamentals, fruit trees, vegies and herbs.