15 Plant Activities for Preschool: Plant, Grow, Observe & Care

Grow a Bean in a Clear Bag

You need: a clear zip bag, paper towel, water, tape, and a few large untreated bean seeds.

Dampen the paper towel, place it inside the bag, and position the beans where the child can see them. Tape the bag near a bright window and check it each day. Penn State Extension uses this type of visible seed-sprouting setup in youth plant education because it lets children watch a seed change into a growing plant.

Ask: “What do you notice first—the root or the shoot?” Let the child answer from observation rather than correcting the prediction immediately.

Plant Seeds in a Clear Cup

You need: a clear cup with drainage, potting mix, untreated seeds, and a small amount of water.

Let the child add soil with a small scoop, place the seed, cover it as directed on the seed packet, and water gently. A clear container can make moisture and some root growth easier to notice. Mark the cup with the planting date so you can revisit what has changed.

Keep it simple: one child, one cup, one seed type. Too many varieties can make a first observation activity harder to follow.

Make a Living Grass Head

Add grass seed and potting mix to a small child-safe container, decorate a simple face, and keep the mix appropriately moist. As the grass grows, children can compare “hair” length and later trim it with close adult supervision.

Penn State Extension includes a grass-seed-head activity in a Pre-K to early elementary plant program. If the cutting step is useful for your child, pair it with these preschool cutting activities.

Regrow Lettuce From a Kitchen Scrap

Place the base of a head of lettuce in a shallow dish with a small amount of water and set it where the child can observe it. Check it daily and talk about any new leaves or changes around the base.

Treat this as an observation project, not a promise that every scrap will grow into a full new head. The value is in noticing change, comparing days, and asking what the plant seems to need.

Make a Simple Watering Routine

Give the child one small job: check the plant before watering. Depending on the plant and container, an adult can help decide whether water is actually needed. A small cup or spray bottle can make the amount easier to control.

Useful language: “Let’s check first.” This helps prevent watering from becoming an automatic daily pour.

Create a Plant Care Chart

Draw three simple symbols on paper: sun, water, and growth. Each time the child checks the plant, add a mark or sticker beside what happened. Preschoolers do not need to write full sentences for the chart to be useful.

This is a natural bridge to pre-writing practice because children can use lines, marks, drawings, or simple tracing instead of formal writing.

Assign a “Plant Helper” Job

In a classroom or family with more than one child, rotate a plant-helper job. The helper can look at the soil, carry the watering cup, turn the plant if the adult chooses, or report one visible change.

Keep the job short enough to succeed. Responsibility is more meaningful when the child knows exactly what to check and when the task is finished.

Keep a Plant Growth Journal

Fold a few sheets of paper into a simple booklet. Every few days, ask the child to draw the plant. Add the date yourself if needed and invite the child to dictate one sentence about what changed.

For children ready for more language practice, use the same observation as a prompt alongside these preschool writing prompts.

Measure Plant Growth With Blocks

Standard rulers can be abstract for preschoolers. Instead, line up blocks, linking cubes, or another repeated object beside the plant and count how many tall it is. Repeat later and compare.

This turns plant growing activities for preschool into early math without adding a separate worksheet. For more number practice, see math activities for preschoolers.

Compare a Bright Spot and a Dimmer Spot

With two similar plants and adult guidance, place them in different light conditions that are still appropriate and safe for the chosen plant. Ask the child to predict whether they will look the same after several days, then compare what actually happens.

Important: this is an observation comparison, not a reason to intentionally damage a plant. Follow the care instructions for the plant you are using.

Watch Water Move Through Celery

Place a celery stalk in colored water and return to it later to look for color changes in the stalk or leaves. Use the activity to talk about the simple idea that water moves through plant tissue.

Adult supervision is important. Treat the dyed celery as an experiment material rather than a snack.

Count and Sort Seeds

Offer a small number of safe, untreated seeds and sort them by size, color, or type. Count each group, compare which group has more, or make two groups with the same number.

If counting is the main skill your child needs, continue with these counting activities for preschoolers.

Try Plant Letter Matching

Write a few familiar letters on paper “seed” shapes and matching paper “flower” shapes. Ask the child to match the same letters. Start with letters the child already recognizes before adding new ones.

For a fuller progression from noticing letters to matching and finding them in everyday print, use these letter recognition activities for preschoolers.

Build a Plant With Playdough

Make a simple plant with playdough: roots, a stem, leaves, and a flower. The model does not need to be scientifically detailed. The value comes from naming parts, rolling and pinching dough, and explaining how the pieces fit together.

If this format works well for your child, explore more preschool playdough activities.

Take a Five-Senses Plant Walk

Look closely at safe plants indoors or outdoors. Notice colors, shapes, textures, and scents without pulling or tasting unknown plants. Ask the child to find something smooth, something rough, a dark leaf, or a light leaf.

This pairs naturally with broader sensory activities for preschoolers.

The seed did not sprout

Do not turn it into a failed lesson. Check the seed packet, moisture, temperature, planting depth, and whether the seed was still viable. Then let the child help decide what to change before trying again.

The child wants to water every day

Make “check first” part of the job. The child can look and feel with adult guidance, while the adult decides whether the chosen plant actually needs water. A measured cup can also prevent a large accidental pour.

Mold appears in a bag or container

Excess moisture and poor airflow can contribute to mold. Adults should handle cleanup, discard questionable materials, wash hands, and restart with a clean setup if needed.

Interest fades before the plant changes much

Keep the daily check very short and add a visible job: take one photo, add one mark to the chart, count new leaves, or compare the plant with yesterday’s drawing. Preschoolers do not need a long discussion every day.