How to Grow Petunia

For a long lasting display of summer flowers, Petunias can't be beaten. They are available in a wide range of colours and varieties, from large flowers to smaller trailing varieties, and are excellent for borders, mass beddings, potted gardens and even hanging baskets.

Full sun

Regular watering

Well drained/sandy soil

Suitable for all climatic zones

How to grow petunias in a garden

Step 1

Sow seeds into trays of Yates Seed Raising Mix. Gently press down and lightly water with a fine mist spray.

Step 2

Keep trays in a warm place and retain moisture by covering with glass or plastic cling wrap.

Step 3

While the seedlings are growing, choose a sunny spot in the garden and prepare the planting area well by digging in Yates Dynamic Lifter Soil Improver & Plant Fertiliser.

Step 4

Once seedlings have emerged, feed weekly with Yates Thrive Roses & Flowers Liquid Plant Food. Allow seedlings to grow to about 5 cm before transplanting.

Step 5

When transplanting them into your prepared garden bed, ensure seedlings are well spaced – at least 30 to 40 cm apart. Mulch with organic mulch, such as bark chips, sugar cane or pea straw and water in well.

Step 6

Feed weekly with Yates Thrive Roses & Flowers Liquid Plant Food to ensure strong root development.

Step 7

Mulch around the base of the plant with organic mulch like sugar cane or pea straw to retain moisture.

How to grow petunias in a pot

Step 1

Choose a pot at least 200 mm wide and deep. Position in full sun.

Step 2

Fill the chosen pots with quality potting mix, such as Yates Potting Mix with Dynamic Lifter.

Step 3

Sow the seeds directly into the pot by pressing them lightly into the mix and water well.

Step 4

Water gently and keep moist through germination period.

Step 5

Feed every 1 to 2 weeks with Yates Thrive Roses and Flowers Liquid Plant Food.

Yates varieties

Growing tips

After initial flowering, pinch back to encourage compact growth and more flowering
It takes about 12 weeks after sowing for Petunias to flower.
While seedlings are young, pinch out flower buds so that the plant gets big and strong first, once the plant is mostly mature, let it flower.
Plant Petunias about 30 cm apart.