2026–27 · Main lesson · Spring 2027

Compare Growing Media and Prepare a Measured Mix

Adult extension of: Soil Investigation & Mixing Soil

April 5–9, 2027 · planned

Examine media structure, follow a plant-specific recipe, and record proportions for a repeatable container-growing mix.

Curriculum skill focus: Texture comparison, measurement, mixing, tool use

01 · Learning

Objectives

Identify the intended plant and container and choose an established recipe suited to them.
Measure each ingredient with the same volume unit and record the proportions.
Label the batch with ingredients, proportions, intended use, and a later moisture-check plan.

02 · Preparation

Materials

Fresh approved bagged growing media in covered trays; Large scoops, measuring cups, gloves and tools; Plant-specific mixing recipe; sealed texture samples or photos

03 · Practice

Adult project

1
Identify the intended plant and container and choose an established recipe suited to them.
2
Compare the appearance and handling properties of the approved ingredients.
3
Measure each ingredient with the same volume unit and record the proportions.
4
Combine gently in a tray without creating dust and inspect the mix for even distribution.
5
Label the batch with ingredients, proportions, intended use, and a later moisture-check plan.

Evidence & interpretation

What the investigation shows

Soil and soilless potting media differ. Particle size and ingredients affect air and water spaces; a suitable mix depends on the plant and container.

Practical connection

Why this work matters

Practice observation, decision-making, shared responsibilities, and communication through a concrete plant or materials task. Participants choose hands-on, planning, or recording roles.

Participation by choice

Individual access options

Offer speech, pointing, gaze, AAC, partner-assisted scanning, or a recorded choice. Follow individual vision and mobility plans. Present one or two items at a time; watching, declining, and taking a break are valid participation.
Use a seated-height tray, stabilized tools, large-print or picture instructions, and partner assistance chosen by the participant.
Reduce the number of comparisons or complete the planning and observation portions without handling materials.

Review & transfer

Reflect on the work

How might the container change the mix you choose?
Why is a recorded ratio more useful than an unmeasured handful?