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Wetland zone 3: Water margin

http://www.gw.govt.nz/wetland-zone-3-water-margin

Wetland zone 3: Water margin

Updated 19 June 2014 2:29pm

Key to plant suitability:

1. Needs some exposure to the elements (frost, sun, wind and salt)

2. Tolerant of some exposure

3. Poor or no tolerance to exposure


 
Frost
Sun
Wind
Salt
Attracts birds
Height

 

Pūrua grass
Bolboschoenus caldwellii

2

1

1

1

 

1m

Coastal summer-green perennial that dies back in winter. Spreads by rhizomes, best grown from divided plants.

Marsh clubrush
Pūrua grass
Bolboschoenus fluviatilis

2

1

2

1

 

1.5m

Summer-green perennial that dies back in winter. Spreads by rhizomes, best grown from divided plants. Usually grows close to the coast.

Water milfoil
Myriophyllum propinquum

2

1

2

3

Yes

3m

Perennial submerged plant that can tolerate short-term drying. Grows in water up to 3m deep.

Blunt pond weed
Potomogeton ochreatus

2

2

3

1-2

Yes

4m

Perennial submerged plant. Will grow in water between 0.3m and 10m deep. Usually found in freshwater but can tolerate brackish conditions.

Three-square
Schoenoplectus pungens

2

1

1-2

1

Yes

0.8m

Summer-green perennial. Grows well in estuaries and tidal areas. Easily propagated by division.

Lake clubrush
Kupungawha
Schoenoplectus tabernaemontanii

2

1

1-2

1-2

Yes

1.2m

Summer-green perennial. Often found growing on the margins of lakes in water up to 0.8m deep. Easily propagated by division.

Raupō
Typha orientalis

1

1

2

3

Yes

2.5 m

Fast-growing summer-green perennial. Prefers sheltered fertile waters. Good habitat and food source for a range of birds.