Lobelia Plants

Lobelia Plants FAQs

Take a look at some of the frequently asked questions we receive from those looking to buy Lobelia Plants in the UK. You can contact our Customer Service Team or browse our general FAQs for further advice.

When to plant Lobelia Plants

Lobelia plants are best planted in spring after the risk of frost has passed and the weather has warmed up. This is typically from late April to early June in most regions. Choose a location with well-drained soil and partial shade, as Lobelias prefer cooler conditions and can tolerate some shade. Ensure the soil is enriched with compost or organic matter for optimal growth. Water newly planted Lobelias thoroughly to help them establish, and continue to provide regular moisture throughout the growing season for healthy, vibrant blooms.

How to Plant Lobelia Plants

To plant Lobelia plants, choose a partially shaded spot with well-drained soil enriched with compost. Dig holes slightly larger than the root balls and space plants as required by their variety. Carefully remove plants from containers, planting them at the same depth as they were originally, and backfill with soil, gently firming to remove air pockets. Water thoroughly after planting to settle the soil. Apply mulch around the base to retain moisture and suppress weeds. Keep the soil consistently moist but not waterlogged, and feed every 4-6 weeks with a balanced fertiliser throughout the growing season. Regularly remove spent flowers to encourage continuous blooming, and prune back any leggy growth to maintain bushiness and promote new flowers.

How long do Lobelia Plants take to grow

Lobelia plants typically take about 10 to 12 weeks to reach full maturity and begin flowering after planting from seed or transplanting. Growth rates can vary based on factors like growing conditions (such as soil quality and sunlight exposure), temperature, and the specific variety of Lobelia. Providing adequate moisture, nutrient-rich soil, and suitable temperatures will promote healthy growth and earlier flowering, ensuring a beautiful display of their vibrant blooms in your garden.

Why Grow Lobelia Plants?

There are several compelling reasons to grow Lobelia plants in your garden. First and foremost, Lobelias are renowned for their stunning cascades of blue, purple, and white flowers, making them excellent choices for adding vibrant colour to borders, containers, and hanging baskets. They thrive in partially shaded areas, making them versatile options for gardens with varying light conditions. Additionally, Lobelias attract pollinators such as bees and butterflies, contributing to biodiversity in your garden ecosystem. They are relatively low-maintenance plants, requiring regular watering and occasional fertilization to thrive. Whether used as ground covers, accent plants, or in mixed plantings, Lobelias provide continuous blooms throughout the growing season, enhancing the visual appeal of any outdoor space with their graceful and prolific flowers.

Where can you grow Lobelia Plants?

Lobelia plants thrive in partially shaded areas with well-drained soil, making them versatile for borders, containers, hanging baskets, and rock gardens. Known for their cascading blooms in shades of blue, purple, and white, Lobelias add vibrant colour and texture to any garden setting. They attract beneficial pollinators like bees and butterflies, contributing to garden biodiversity. Lobelias are relatively low-maintenance, requiring regular watering to keep the soil consistently moist but not waterlogged. Their ability to bloom continuously throughout the growing season makes them an attractive choice for both experienced and novice gardeners looking to enhance their outdoor spaces with beautiful, resilient plants.

Why Buy Lobelia Plants from Marshalls?

• Our customers are supported by a team of experts dedicated to providing valuable advice. You can also use our growing guides, backed by 70 years of experience, to get the best results from your Lobelia Plants and other plants.
• You can contact us six days a week – including bank holidays – to discuss our products and services or to chat about all things gardening.
• We pride ourselves on offering fast delivery on all orders, with any 'in stock' plants and seeds sent out within three working days. We're green-fingered in more ways than one, too, thanks to our fully recyclable packaging.
• We won second place at the 2022 Great British Growing Awards for Best Online Retailer.
• Thousands of five-star reviews on Trustpilot and a 100% satisfaction guarantee on all our products show that we're a company you can trust.