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How to Grow Lobelia

Lobelia is a dainty little trailing plant that comes in shades of blue, purple, lilac and white. They are easy to grow annuals that provide a great ground cover or contrast in rockeries, garden edges, pots and hanging baskets.

Full sun or part shade

Regular watering

Well drained soil

Suitable for all climatic zones

How to grow lobelia in a garden

Step 1

Fill starter pots or trays with Yates Seed Raising Mix. As Lobelia seeds require light to germinate, press lightly into the mix, firm down and water with a fine mist spray.

Step 2

To help retain moisture in the mix and to the seeds, cover the trays with glass or cling-wrap between waterings. Continue to water with a fine mist spray through the germination period.

Step 3

While the seedlings are growing, choose a spot in the garden that receives full sun to part shade 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 cm before transplanting. It is recommended to plant these seedlings in clusters rather than thinning them out.

Step 5

When transplanting the clusters of seedlings into your prepared garden bed, ensure they are well spaced – at least 10cm 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 Natural Roses and Flowers Liquid Plant Food.

How to grow lobelia in a pot

Step 1

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

Step 2

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

Step 3

Plant directly into the pot by pressing the seeds lightly into the surface of the pot, firm down and water with a fine mist spray.

Step 4

To help retain moisture in the mix and to the seeds, cover the trays with glass or cling wrap. Continue to water with a fine mist spray through the germination period.

Step 5

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

Growing tips

Very lightly trim back after flowering has finished, removing any spent flowers. This will encourage further blooms.
Great for cottage gardens.
These plants are poisonous and are not recommended to be planted in gardens frequented by young children.