• Petunia Happytoonia Starry Blue
  • Petunia Happytoonia Starry Blue
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Petunia Happytoonia Starry Blue

  • Star-shaped flowers add unique garden interest
  • Compact growth ideal for beds and containers
  • Regular deadheading encourages continuous blooming
  • Moderate watering supports healthy development
PRE ORDER Estimated Shipping date: From Late March 2026
Plant Size
About our plant sizes
£7.99
£7.99
Tax included. Shipping calculated at checkout.
Petunia 'Happytoonia Starry Blue' creates a captivating floral display with its abundant, star-shaped flowers. This cultivar is typically supplied as plug plants for strong establishment. It produces a charming effect in garden beds and containers alike.
Pot sizes 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.

    Petunia Happytoonia Starry Blue
    Petunia Happytoonia Starry Blue
    Planting Calendar
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    Flowering Calendar
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    Yes
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    Petunia Happytoonia Starry Blue - Plant information

    Size: Grows to approximately 25 cm tall with a spread of around 30 cm, forming a neat mound.

    Position: Thrives best in full sun to partial shade. Ensure good air circulation to reduce disease risk.

    Feeding etc: Feed monthly with a balanced fertiliser during the growing season. Pinch back occasionally to promote bushiness.

    Care: Water moderately to keep soil moist but not waterlogged. Remove faded flowers to encourage new blooms. Avoid over-fertilising to prevent excessive leaf growth.