Carex secta (Pukio)

What is the optimum Carex secta grass spacing?

The optimum Carex secta grass spacing for the plants to merge and become an effective ground cover is 75 cm apart. However, if you want them to grow as a unique plant, they must be spaced at least 1.2 metres apart. The spacing for having them merge to a limited degree is 80-90 cm apart.

Why Choose Carex secta?

This native grass is prized for its robust growth and suitability to wet or boggy areas. It is ideal for creating naturalistic gardens, pond edges, and erosion control. Carex secta provides year-round greenery and habitat for native wildlife in NZ gardens.

How to grow Carex secta (Pukio) in NZ

Grow Carex secta (Pukio) in full sun or light shade, using soil that drains freely. Prepare the planting area and remove competing weeds before setting the crown at its original depth. Water thoroughly and maintain moisture while roots establish. Leave room for the mature clump and keep mulch away from the centre. In containers, use drainage holes and a quality mix. Good light helps support strong foliage and a balanced form.

Planting and Care Tips for Carex secta (Pukio)

Plant Carex secta in a consistently moist or wet area, such as near ponds, streams, or low-lying damp spots. It thrives in full sun but will also grow in partial shade. Space plants about 60–90 cm apart to allow for their large tussock form. Water well during dry periods, especially while establishing. Remove old or dead foliage in late winter to keep the plant tidy. Mulching can help retain soil moisture and suppress weeds.

Pruning Carex secta

The primary reason for pruning Carex secta is to remove dead or damaged foliage. This helps maintain the plant's aesthetic appeal and promotes healthy new growth. Such light pruning can be done at any time. If more aggressive pruning requires removing 50% of the vegetation, this is generally undertaken during summer when the plants are actively growing. The plants can safely be reduced by up to 75% during this time. The Plant Company recommends that plants have at least 10 cm of growth remaining at the base of the plant after any severe pruning. Avoid heavy pruning in winter, as the plants may struggle to recover.