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Lobelia Hot Waterblue

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Lobelia Hot Waterblue produces a large amount of small blooms, it has a semi trailing habit and produces stunning lavender-blue flowers, with white centres, throughout summer to late autumn. Plant in a semi shaded or full sun position like a well drained soil. A great addition to a patio pot or a bedding plant border.

Lobelia have characteristic 5 lobe blooms, masses of flowers, with slim stems and green foliage. Their blue, white and lavender hues around the garden, pots, baskets, are just enchanting.
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Lobelia Hot Waterblue

About the Lobelia Hot Waterblue

Care Instructions

Lobelia need a well draining soil, but should be kept consistently moist. They take longer to rehydrate.

Position, sunlight and more

Lobelia like a 50/50 morning sun, combined with afternoon shade to really thrive.

Height and Spread

Hot Waterblue will grow to 20cm and spread 20-30cm

Feeding, Pruning & more

Feeding - A balance liquid fertilizer can be added every 20 days throughout season will keep these growing and blooming.
Pruning - Lobelia are self cleaning, so no deadheading required.

Our pot & plant size explained

At Newlands Nursery we grow and sell plants in a variety of different sizes, from small starter plants up to planted containers. 

We know it can be tricky to picture the size of each plant. This page gives you an idea of the size of the plants we are sending out.

Please keep in mind that plants vary from one season to the next. The size of the plant refers to the pot or plug it is grown in, rather than the height of the plant, unless specifically mentioned on the plant page. 

Picture of plug plant size

Starter Plant (Plug Plant)

Plug Size: 2cm by 4cm. Our most popular size. This is often the most economical way of buying plants and is a great way to get a head start on the season. Generally this size is best to be potted up before planting out.

Picture of Jumbo plug plant

Jumbo Plug

Plug Size: 6cm by 7cm. A fantastic alternative to a 9cm pot and saves on plastic too. The plants in this size are well established and give you a head start. This size is perfect for planting straight into containers and baskets as well as the garden.

Picture of 9cm pot

9cm pot

Pot size: 9cm by 9-10cm. This size hold some well established plants, some of which maybe around 1 year old. We sell most of our ranges in this size and most of the plants sold in this size, are established enough to be planted straight outside.

Picture of 13cm or 1 litre pot

13cm or 1 litre pot

Pot size: 12-13cm by 12-15cm Currently our largest size of plant, with the exception of our planted containers. Many of our House Plants are available in this size, as well as some special collections and varieties.

  • Flowering time and interest

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