Best Zinnias Varieties for UK Gardens

Discover zinnias that flourish in British weather

April 30, 2024 | 8 min read
Colourful zinnia flowers in a UK garden

As a professional gardener in Staffordshire, I've spent over 15 years helping clients create vibrant, colourful gardens. One of my favourite flowers to recommend for UK gardens is the zinnia. These striking blooms are not only easy to grow but also bring a riot of colour to any garden space. Given our unique climate here in the Midlands, choosing the right variety is crucial. Let's explore the top zinnia varieties that thrive in Britain.

Quick Answer

Zinnias such as 'Dreamland', 'Profusion', and 'Lilliput' are excellent choices for UK gardens, offering resilience against our variable weather.

Why Choose Zinnias?

Zinnias are excellent for British gardens due to their adaptability and vibrant colours. They are annuals, meaning they complete their life cycle in one growing season, which is perfect for gardeners who love to refresh their flower beds annually.

  • Easy to grow from seeds
  • Long blooming period from June to October
  • Attract pollinators like bees and butterflies

Top Zinnia Varieties for the UK

1. Zinnia 'Dreamland'

'Dreamland' zinnias are compact, making them ideal for borders and containers. They produce large, dahlia-like flowers with a height of about 30 cm, making them perfect for small gardens or patio pots.

2. Zinnia 'Profusion'

This hybrid variety is known for its disease resistance and continuous blooming. 'Profusion' zinnias are available in a range of colours, including orange, cherry, and white, and grow to about 40 cm tall.

3. Zinnia 'Lilliput'

'Lilliput' zinnias have small, pom-pom shaped flowers and reach around 60 cm in height. They're excellent for cutting and adding to floral arrangements.

Planting and Care Guide

Zinnias thrive in full sun and well-drained soil. Here in the UK, it's best to sow seeds indoors in March or April, then transplant them outside after the last frost in May.

Month Task Details
March - April Sow indoors Start seeds in trays, keep in a warm, sunny spot
May Transplant Harden off seedlings, plant outside after last frost
June - October Blooming Regular deadheading to encourage blooms

Tips for Successful Zinnia Growth

  • Water deeply once a week to promote strong roots
  • Deadhead regularly to prolong flowering
  • Use mulch to retain soil moisture and suppress weeds

Frequently Asked Questions

Can zinnias survive UK's winter?

Zinnias are annuals and won't survive frost. They should be replanted each year after the last frost.

How do I prevent zinnia diseases?

Ensure good air circulation, avoid overhead watering, and choose disease-resistant varieties like 'Profusion'.

Do zinnias attract pests?

While generally pest-resistant, zinnias can sometimes attract aphids. Regular inspection and organic pesticides can help.

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