How to Grow Hollyhock

Hollyhocks, with their predominant stems of brightly coloured, double blooms, stand tall amongst the rest of the garden from spring to summer. They can grow up to a whopping 2 metres in height and are ideal as an annual decorative backdrop along sunny walls and fences.

Full sun

Regular watering

Well drained soil

Suitable for all climates

How to grow hollyhock in a garden

Step 1

Fill starter pots or trays with Yates Seed Raising Mix. Sow seeds, cover, firm down and water well.

Step 2

Water gently and keep moist through germination period.

Step 3

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

Step 4

Allow the seedlings to grow to at least 5-7 cm before transplanting.

Step 5

When transplanting them into your prepared garden bed, ensure seedlings are well spaced – at least 30-40cm apart. Water in well.

Step 6

Mulch with an organic mulch, such as bark chips, sugar cane or pea straw.

Step 7

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

How to grow hollyhock in a pot

Step 1

Choose a pot at least 400mm 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 seeds directly into the prepared pot.

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.

Growing tips

Plants in exposed positions may require staking for support, ensure stakes are placed in position at planting time to avoid any root disturbances of the mature plants.
Remove spent flowers to encourage further blooms.
Water at the base of the plant to avoid fungal diseases.