How to Grow Putaputaweta

Putaputaweta

Carpodetus serratus

shrub

Putaputaweta is a native New Zealand shrub known for its small, serrated leaves and delicate white flowers followed by small black berries. It has been traditionally used by Māori people for food and medicinal purposes. This ornamental shrub is gaining popularity in gardens for its attractive foliage, seasonal interest, and wildlife appeal.

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Example Putaputaweta timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Putaputaweta

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Putaputaweta

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Putaputaweta dates for your own zip code.

Growing Conditions

☀️
Sun: Partial shade to full sun, 4-6 hours of sunlight daily; tolerates shade well
💧
Water: Moderate watering; keep soil consistently moist but not waterlogged during growing season. Once established, fairly drought-tolerant. Water more frequently in hot, dry periods.
📏
Spacing: 36 inches
📅
Days to maturity: Not applicable; ornamental shrub that develops over several years
🌱
Planting depth: Plant root ball at soil level; transplants can be set at same depth as nursery container

Soil

Type: Well-draining fertile soil, tolerates a range of soil types including clay and sandy soils
pH: 5.5-7.0
Amendments:
Organic compost Peat moss or coco coir for moisture retention Bark chips for drainage

Growing Zones

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Thrives in USDA zones 9b-11, prefers mild temperate to subtropical climates

9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

6-12 months

Young shrub with initial branching and leaf development

Water regularly to establish deep root system. Mulch around base to retain moisture. Protect from harsh wind and extreme heat in first year.

2

Vegetative Growth

1-2 years

Shrub develops fuller form with increasing foliage density and branching structure

Prune lightly to encourage bushier growth. Remove any dead or crossing branches. Fertilize with balanced slow-release fertilizer in spring.

3

Flowering

4-8 weeks

Small delicate white flowers appear along branches, typically in late spring to early summer

Continue regular watering but avoid overhead watering that may damage flowers. No deadheading necessary. Light pruning after flowering if needed.

4

Fruiting

6-10 weeks

Small black berries develop and mature following flower pollination

Allow berries to mature naturally for ornamental appeal and wildlife food. Do not harvest unless specifically desired. Berries persist on branches.

5

Mature Shrub

Ongoing (3+ years)

Well-established shrub with regular flowering and fruiting cycles

Maintain with light annual pruning in late winter. Mulch annually. Feed with balanced fertilizer in spring. Remove any diseased growth promptly.

Companion Planting

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Plant with:

Avoid planting near:

Aggressive spreading plants Very tall shade-producing trees that would severely limit light

Common Pests

  • Monitor regularly; remove by hand or treat with horticultural oil or insecticidal soap in early spring

  • Increase humidity with regular misting; treat with miticide or neem oil if infestation occurs

  • Use yellow sticky traps; treat with insecticidal soap or neem oil for heavy infestations

Uses

🍳

Traditional Berries

Culinary

The small black berries are edible and have been eaten fresh or used in jams and preserves by Māori people. They have a mild, slightly sweet flavor and were an important food source. [source]

💊

Traditional Māori Medicine

Medicinal

Leaves and bark have been used in traditional Māori healing practices for treating various ailments. Modern herbalists sometimes use it for immune support and general wellness. [source]

🏠

Herbal Tea

Household

Leaves can be dried and brewed into a mild herbal tea. The leaves have a pleasant flavor profile suitable for traditional tea preparations. [source]

🦋

Native Wildlife Support

Wildlife

The flowers attract native bees and insects, while the berries provide food for native birds and other wildlife. Growing putaputaweta supports local ecosystem health. [source]

🎨

Ornamental Landscaping

Craft

The attractive serrated foliage, delicate white flowers, and persistent black berries make it an excellent choice for native plant gardens, woodland plantings, and ornamental landscapes. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Berries are edible and traditionally harvested by Māori people. Pick ripe black berries by gently stripping them from branches in late summer to early autumn. Berries can be eaten fresh or processed into preserves. Leaves may be harvested year-round for medicinal tea preparations, preferably in the morning after dew dries.

Fun Facts

  • 🌱 The Māori name 'putaputaweta' is thought to relate to the abundance of the plant's flowers and fruits, with 'puta' relating to to eruption or sprouting
  • 🌱 The berries are dark black, which contrasts beautifully with the green foliage and white flowers, making it visually striking throughout the growing season
  • 🌱 Putaputaweta has been used in traditional Māori medicine for generations, and modern ethnobotanical research continues to validate traditional uses of New Zealand native plants

Gardening Terms

New to gardening? Learn about terms used in this guide:

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