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Polygala grandiflora

Polygala grandiflora is a beautiful flowering shrub prized for its vibrant blooms, compact growth habit, and long flowering season. The colourful flowers resemble sweet peas and provide outstanding visual appeal across much of the year. This attractive plant is ideal for borders, cottage gardens, containers, and feature planting where reliable colour is desired. Well suited to New Zealand conditions, Polygala grandiflora is easy to grow and maintain, making it a popular choice for both experienced and beginner gardeners.

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.
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The average plant height is 30cm.
$27.53

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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

Polygala grandiflora grows best in a sunny to partially shaded position with well drained soil. A warm sheltered site encourages strong growth and abundant flowering. Water regularly during establishment and during extended dry periods to keep plants healthy and productive. Adding compost to the planting area helps improve soil structure and moisture retention. Applying mulch around the base conserves moisture, suppresses weeds, and promotes healthy root development for long term garden performance.

Polygala grandiflora care tips

Polygala grandiflora is a low maintenance plant that rewards gardeners with an extended flowering display. Feed in spring with a balanced fertiliser to encourage vigorous growth and prolific blooms. Light pruning after flowering helps maintain a compact shape and encourages fresh growth and additional flowers. Remove any damaged or dead stems as required. Water during hot and dry periods to maintain healthy foliage and maximise flowering performance throughout the growing season.

Polygala grandiflora size, spacing, and growth rate

Polygala grandiflora typically grows to around 1 to 1.5 metres tall and wide, forming a dense and rounded shrub. Growth is moderate to fast, allowing plants to establish quickly and fill garden spaces. Space plants approximately 80 centimetres to 1 metre apart when creating borders or mass plantings. This spacing provides good airflow while allowing plants to develop into attractive flowering specimens that deliver excellent colour and garden coverage.

Landscaping uses for Polygala grandiflora

Polygala grandiflora is ideal for cottage gardens, mixed borders, feature planting, containers, and low hedges. The vibrant flowers create a colourful display that complements a wide range of garden styles and planting schemes. Its compact habit makes it particularly useful in smaller gardens and courtyard settings. Whether planted individually or in groups, it provides long lasting colour, texture, and visual interest throughout much of the year.

Why buy Polygala grandiflora from The Plant Company?

The Plant Company supplies premium quality Polygala grandiflora plants that are carefully grown for health, vigour, and reliable garden performance. Every plant is selected to ensure strong establishment and long term success in New Zealand conditions. As NZ’s most trusted plant nursery, The Plant Company provides expert advice, premium plants, and reliable nationwide delivery. Whether you are creating a colourful border, enhancing a courtyard garden, or adding a long flowering feature, you can buy with confidence from a trusted New Zealand nursery.

Questions and Answers

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

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