Best Companion Plants for Geraniums

What to plant alongside geraniums.

January 14, 2024 | 8 min read
Colourful geraniums in a garden setting

Greetings from Staffordshire! They bring vibrant colours and are relatively easy to care for. However, like many plants, they thrive even better when paired with the right companions. Today, I'll share my insights on the best companion plants for geraniums, specifically tailored for our UK climate.

Quick Answer

Geraniums pair well with lavender, sage, and catmint. These companions enhance growth, deter pests, and create a vibrant display.

Why Companion Planting?

Companion planting is more than just about aesthetics. It's about creating a mutually beneficial environment where plants help each other thrive. This can involve pest control, improving soil nutrients, or supporting growth.

  • Improves plant health and growth
  • Helps control pests naturally
  • Enhances garden biodiversity

Top Companion Plants for Geraniums

Lavender

Lavender is not only a beautiful complement to geraniums but also a practical one. Its strong scent helps deter pests, and it thrives in similar soil conditions. Plant lavender about 30 cm away from your geraniums to ensure both have enough space to grow.

Sage

Sage, with its aromatic leaves, is another excellent companion. It attracts beneficial insects and helps repel unwanted ones. Planting sage in the same bed as geraniums can enhance growth and provide a pleasing contrast with its grey-green foliage.

Catmint

Catmint is a hardy plant that pairs well with geraniums. It offers ground cover, which helps retain soil moisture and suppress weeds. The purple-blue flowers of catmint create a lovely contrast with the vibrant hues of geraniums.

Planting Guide

When planting these companions, timing is key. Here's a simple calendar to guide you through the process:

Month Task Details
March Prepare Soil Add compost and ensure proper drainage.
April Plant Geraniums Plant after the last frost, spacing 30 cm apart.
May Add Companions Plant lavender, sage, and catmint around geraniums.

Care Tips

Once planted, regular maintenance is crucial. Ensure your geraniums and their companions receive adequate water, especially during dry spells typical in the Midlands. Fertilise lightly in early summer to boost blooming.

  • Water weekly during dry periods
  • Deadhead spent flowers to encourage new blooms
  • Monitor for pests and address promptly

Conclusion

By choosing the right companion plants for your geraniums, you can create a thriving, beautiful garden that performs well in the UK climate, especially here in Staffordshire. With a bit of planning and care, your garden will be the envy of the neighbourhood.

Frequently Asked Questions

Can geraniums grow in partial shade?

Yes, geraniums can tolerate partial shade, but they bloom best in full sun.

How often should I water geraniums?

Water them once a week, increasing frequency during particularly hot or dry spells.

Do I need to prune geraniums?

Yes, regular deadheading and light pruning encourage bushier growth and more blooms.

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