Call us: 0800 843 752Free shipping for orders $150 or over
Gift Vouchers

Polygala grandiflora (Sweet Pea Shrub)

Polygala grandiflora, commonly called Sweet Pea Shrub, is a compact evergreen that flowers for many months in New Zealand gardens. Masses of purple and mauve blooms with crested centres appear from spring through autumn, attracting bees. Plants form a rounded bush about 1.2 metres tall and the same wide with delicate green foliage. Grow in full sun or light shade in well-drained soil. Ideal for borders, pots, and coastal sites, and tolerant of frost and wind.

A Polygala grandiflora stem covered in showy, pink flowers.
A large Polygala grandiflora shrub covered in dark-pink-purple flowers.
Polygala grandiflora (Sweet Pea Shrub) cluster of elegant plants in flower growing as an informal hedge.
The average plant height is 40cm.
$29.63

Buy more Polygala grandiflora plants and save - Free Shipping over $150.

Suited to regions:Subtropical, Temperate
Plant type:Shrubs
Height:1.50 m
Spread:1.00 m
Flowering time:Spring, Summer, Autumn, Winter
Tolerances:
Garden uses:Containers, Living areas, Pool areas
Garden styles:Backyard, City & Courtyard, Frontyard, Japanese, Modern, Rock
Easy to grow?
Maintenance requirements
Growth rate
Also known as
Sku12225

How to grow Polygala grandiflora in NZ

To grow Polygala grandiflora in NZ, choose a sunny or lightly shaded position with well-drained soil. Plant in spring or autumn and water regularly during establishment. Once established, it tolerates dry conditions and light frosts. Apply a slow-release fertiliser in spring to encourage prolific flowering. Prune lightly after flowering to maintain a compact shape and promote new growth. Polygala grandiflora is ideal for borders, pots, and coastal gardens, and requires minimal care once settled.

How to grow a Polygala grandiflora hedge

To grow a Polygala grandiflora hedge in NZ, choose a sunny or lightly shaded site with well-drained soil. Space plants 60–80 cm apart to allow them to form a dense screen. Water regularly during establishment, then only in dry periods as they are drought tolerant once settled. Apply a slow-release fertiliser in spring to support flowering and growth. Prune lightly after each flowering flush to maintain a tidy, compact hedge and encourage continual blooms.

Why buy Polygala grandiflora from The Plant Company?

Buying Polygala grandiflora from The Plant Company ensures you receive healthy, well-established plants grown to thrive in NZ conditions. Our Sweet Pea Shrubs are carefully selected for their vibrant colour, long flowering period, and strong growth habit. We provide expert advice, quality assurance, and reliable nationwide delivery so you can plant with confidence. When you purchase from The Plant Company, you are guaranteed premium plants that will add lasting beauty and impact to your garden or landscape.

Questions and Answers

Have a question about Polygala grandiflora? We are here to help.

polygala-little-bibi-
Most Popular

Polygala Little Bibi (Sweet Pea Shrub)

“Little Bibi” is a compact variety of Polygala and grown for its prolific flowering. The soft, oval leaves on this evergreen shrub are mid-dark green...

From$26.93
polygala-petite-butterfly-
Most Popular

Polygala Petite Butterfly (Sweet Pea Shrub)

“Petite Butterfly” is a compact variety of Polygala and grown for its prolific flowering. The soft, oval leaves on this evergreen shrub are mid-dark...

polygala-dazzler-
Most Popular

Polygala x Dalmaisiana Dazzler (Sweet Pea Shrub)

“Dazzler” is a compact shrub grown for its fresh foliage and pretty flowers. The soft and oval leaves on this evergreen are a fresh green and provide...

Hydrangea 'Libelle' lacecap white and blue flowers.
Most Popular

Hydrangea Libelle

Hydrangea 'Libelle' is a graceful lacecap hydrangea renowned for its pure white sterile florets that elegantly frame a centre of tiny fertile...

From$29.63
Nandina 'Blush' shrubs with bright red foliage in a garden border.
Most Popular

Nandina Blush

Nandina 'Blush' is a compact, evergreen shrub grown for its colourful foliage. The new foliage, produced from spring through autumn, is a colourful...

From$28.28
cuphea-mad-hatter--4
Most Popular

Cuphea Mad Hatter

Cuphea Mad Hatter is a beautiful and versatile plant perfect for New Zealand gardens, offering unique features and year-round interest.

From$22.28
Camellia Setsugekka hedge in full flower.
Most Popular

Camellia Setsugekka

Camellia 'Setsugekka' is a sasanqua variety with large, semi-double, white flowers with wavy, fluted petals and a yellow centre. These contrast...

From$33.68
There’s more to explore beyond Aesculus hippocastanum and Avocado 'Hass' — like the subtle beauty of Acer palmatum dissectum Tamukeyama, Daphniphyllum macropodum, and Isotoma fluviatilis.
–The Plant Company

Explore Garden Inspiration

Sign up to receive a free $10 Voucher You won’t be bombarded with emails, just titbits of quality information from time to time Sign up
Free shipping on orders over $150!

Join our community of happy customers.

4.9

429 Google reviews