A Year of Cut Flowers

Dahlias - Part 1: Planting

with THE LAND GARDENERS — Award-winning garden designers and cut flower growers on a mission to save our soil.

Lesson 21 of 37

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This lesson provides a step-by-step guide to preparing and planting dahlia tubers - from inspecting the tubers for root damage, to planting them in specially enriched soil.

From the Lesson Workbook

Dahlias

Although we avoid digging into the ground in order not to disturb the structure of the soil, digging is necessary when planting trees, shrubs, dahlias and bulbs. We use it as an opportunity to put some goodness into the soil by adding climate compost to the planting hole.

In this lesson we are planting dahlia tubers that are already showing signs of tiny shoots.

How to Plant Dahlias

  1. Before planting, label each tuber so you can identify the variety when the plant dies and the tuber is dug up for winter storage.
  2. Dig a hole twice the size of the tuber.
  3. Water the hole and allow the water to drain away.
  4. Add a handful of climate compost.
  5. Plant the tuber, making sure that its top is sitting above the ground.
  6. Push a stake into the ground next to the tuber and fill the hole with soil.

Glossary

Climate compost - an inoculum abundant in naturally occurring soil microbes, developed by The Land Gardeners to help improve soil health.

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The Land Gardeners

Your Instructor

The Land Gardeners

Award-winning garden designers and cut flower growers on a mission to save our soil.

Garden designers, flower growers and compost creators, Henrietta Courtauld and Bridget Elworthy joined forces to found The Land Gardeners in 2012. United by their passion for organically grown plants and a shared interest in soil health, they began by growing and selling cut flowers to esteemed florists, and worked on restoring historic gardens to their former glory. Most recently, they launched Climate Compost - a project born from years of inquisitive research into soil biology with the aim of creating a microbially rich compost that produces nutrient dense crops, while also supporting and boosting the local ecosystem. With an unwavering commitment to improving the health of our land and its biodiversity, The Land Gardeners’ approach is one of sensitivity, unparalleled expertise and, above all, a loving respect for the natural world and its preservation.

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