TinyStepper

Sunflower Height Chart

At a glance: Plant a sunflower seed, water it daily, and measure it each week to see who grows faster — your child or the flower. A 10-minute, low-energy outdoor activity for ages 2y–4y.

Built by a parent of toddlersBest for 2y-4y

Field-tested ideas shaped by direct parenting experience and advice from reputable sources, including NHS Best Start in Life and NSPCC child development research.

2y–4y10 minslow energyoutdoorsome mess

Plant a sunflower seed in a pot or garden bed and let your child water it every day. Each week, measure the sunflower with a tape measure or piece of string and mark the height on a wall chart or stick. Compare it to your child's height as the weeks go on. The sunflower will eventually tower over them, which is genuinely thrilling for a small person.

Best for this moment

for calmer, lower-pressure moments, especially when you need an outdoor option.

Parent tip

Set out garden trowel and tape measure before inviting your toddler in so the first minute feels smooth.

What success looks like

A good outcome is a few minutes of engaged play, some back-and-forth with you, and a small sign of progress in cognitive skills.

More help for this situation

Instructions

Get ready
  • Fill a large pot or dig a small hole in a sunny flower bed with your child's help.
  • Let your child drop a sunflower seed into the soil and cover it gently with earth.
  1. Fill a large pot or dig a small hole in a sunny flower bed with your child's help.
  2. Let your child drop a sunflower seed into the soil and cover it gently with earth.
  3. Water it together using a small watering can — let them pour.
  4. Each morning, check on the sunflower together — 'Has anything changed? Can you see a shoot?'
  5. Once the seedling appears, measure it with a tape measure and record the height on a chart.
  6. Mark your child's height on the same chart so they can compare the two.
  7. Each week, measure again and add a new mark — talk about how much it has grown.
  8. When the sunflower blooms, celebrate together — take a photo of your child standing next to their flower.

Why it helps

Daily watering builds routine and responsibility — two skills that support executive function development. Measuring and comparing heights introduces early maths concepts like taller, shorter, and how much more. The long timeframe teaches patience and delayed gratification in a way that is visible and rewarding.

Variations

  • Plant two sunflowers and let your child predict which will grow taller — introduces comparison and prediction.
  • Press a leaf from the sunflower each week to create a growth journal showing how the leaves change size.
  • At the end of summer, harvest the seeds together and save them to plant next year — a full life cycle lesson.

Safety tips

  • Keep soil and seeds away from mouths — some seeds are treated with chemicals.
  • Wash hands thoroughly after handling soil.
  • Supervise use of any watering equipment to prevent spills on slippery surfaces.

When to pause and seek extra support

Stop if your child becomes distressed, unsafe, or consistently frustrated by the activity. If play, behaviour, or development worries keep showing up across settings, check in with a qualified professional.

Get weekly activity ideas for your toddler

One email a week with practical toddler activities, behaviour tips, and developmental insights. No spam, unsubscribe any time.