Summer is an enjoyable time of the year for gardening. However summer heat and storms can prove challenging for gardeners. In some regions, sowing in summer is too hot, but there are beautiful summer hardy flower options for most regions and ways to help your seedlings cope with the heat, whether that be a shade house or sowing in a protected environment and keeping them watered.
Want to find out the flowers you should grow during Summer? 🌼 Use these charts to help you plan which seed varieties to sow in your region.
Here is a list of popular flowers that you can grow in the subtropical zone of Australia. This zone includes South East QLD and Northern NSW:
Annuals
Teddy bear sunflower, sunbird sunflower, evening sun sunflower, ageratum, balsam, celosia, cockscomb, gomphrena, marigold, salvia, torenia, dahlias and zinnia.
Perennials
Aster, coleus, impatiens, vinca and cosmos.
Water often in summer; daily if needed, and shade seedlings to keep them cool and reduce water loss.
Here is a list of popular flowers that you can grow in the temperate zone of Australia. This zone includes the coastal regions of NSW, Sydeny and parts of Victoria.
Annuals
Ageratum, alyssum, cleome, cyclamen, marigold, schizanthus, stock, vinca and viola.
Perennials
Aster, coleus, impatiens, vinca, and cosmos.
Biennials
Wallflower (short-lived perennial or biennial often grown as an annual)
Water often in summer; daily if needed, and shade seedlings to keep them cool and reduce water loss.
Here is a list of popular flowers that you can grow in the wet and dry tropical zone of Australia. This zone covers the top end of Australia including Northern Territory, Western Australia, and North Queensland.
Annuals
Balsam, celosia, gomphrena, marigold, petunia, sunflower, torenia and vinca.
Perennials
Cockscomb, coleus and salvia.
The Mediterranean zone of Australia becomes too hot to sow flower seeds in summer. This zone includes Adelaide and Perth. We recommend other activities such as trimming spent roses or deadheading flowering annuals to extend their flowering.
Here is a list of popular flowers that you can grow in the Cold/Southern Tableland zone of Australia. This zone includes Melbourne, Tasmania and cool highlands regions.
Annuals
Alyssum (carpet of snow), cleome, cyclamen, lobelia, lupin, marigold (African crackerjack), phlox, stock and zinnia.
Perennials
Cineraria, forget-me-not, Iceland poppy, pansy, petunia, primula and verbena.
Biennials
Wallflower (short-lived perennial or biennial often grown as an annual)
Start your Summer flower garden today. Seedmart Australia offers you a range of heirloom, untreated, and non-GMO flower seeds. We carry a range of all your favourite flower varieties including cosmos, nasturtium, cornflower, marigold and foxglove. Create a traditional cottage garden, a sprawling wildflower garden, or a compact, container flower garden. Browse our range now.
