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मुख्य पृष्ठ /बच्चों का बगीचा
नन्हे खोजियों के लिए

बच्चों का बगीचा

बागवानी सबसे आसान विज्ञान प्रयोगशाला है। ये गतिविधियाँ पाँच से चौदह साल के बच्चों के लिए हैं, इनमें सामान लगभग नहीं चाहिए, और हर एक के अंत में कुछ जीवित मिलता है।

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Activities to try this month

  • Grow a bean in a jar — a wet cotton pad, a rajma bean and a glass jar. Roots appear in three days.
  • Butterfly watch — plant one milkweed and keep a tally sheet.
  • Regrow your kitchen — carrot tops, coriander stems and spring onion roots all come back in water.
  • Meet a worm — build a small worm bin and watch peels become soil in six weeks.
  • Leaf printing — paint the underside of a leaf and press it onto paper.
  • Seed diary — one page per plant: sown on, sprouted on, first flower.

For teachers and parents

Every activity maps to a curriculum idea — life cycles, habitats, decomposition, pollination — and needs less than twenty minutes of setup. Write to us for the printed activity pack.

Twelve activities to try

Each one needs almost nothing, works on a windowsill, and ends with something alive. Open an activity for the steps.

Grow a bean in a jar

Ages 5+3 days to sprout

You need A rajma bean, a cotton pad, a glass jar, water

How to do it
  1. Wet the cotton pad and press it against the inside of the jar
  2. Tuck the bean between the pad and the glass so you can see it
  3. Keep the pad damp and the jar on a windowsill
  4. Draw the bean every morning for a week

The root always goes down and the shoot always goes up, whichever way you turn the jar.

Butterfly watch

Ages 6+10 minutes a day

You need A notebook, a pencil, a flowering plant

How to do it
  1. Sit two steps back from the flowers at the same time each day
  2. Count every butterfly that lands, not the ones flying past
  3. Write the date, the time and the number
  4. After a week, find your busiest hour

Butterflies work in warm sun. Your count will fall on a cloudy day.

Seed sorting

Ages 5+20 minutes

You need A handful of kitchen seeds, a tray, a spoon

How to do it
  1. Tip the seeds out and spread them on the tray
  2. Sort them into piles by size, then by shape, then by colour
  3. Guess which plant each pile becomes
  4. Sow one of each in a pot and check your guesses

Big seeds usually grow big first leaves. Tiny seeds need to be barely covered.

Leaf rubbings

Ages 5+15 minutes

You need Paper, a crayon with the wrapper peeled off, fallen leaves

How to do it
  1. Put a leaf underside-up on a table
  2. Lay paper over it and hold it still
  3. Rub the crayon flat across the paper until the veins appear
  4. Label each rubbing with where you found the leaf

Straight parallel veins mean grasses and palms. Branching veins mean almost everything else.

Sprout a mango stone

Ages 7+2-3 weeks

You need A mango stone, a knife (with an adult), a pot of soil

How to do it
  1. Dry the stone for two days, then have an adult split the husk
  2. Soak the seed inside overnight
  3. Plant it on its side, an inch deep, and water it
  4. Keep it warm and check every third day

A mango grown from a stone will not fruit like its parent. It is still a tree.

Regrow a spring onion

Ages 5+1 week

You need Spring onion ends with roots, a glass, water

How to do it
  1. Keep 3cm of the white end with the roots attached
  2. Stand it root-down in a glass with 2cm of water
  3. Change the water every day
  4. Snip the green tops when they reach a hand tall

It regrows three or four times before it gives up. Then plant it in soil.

Build a worm hotel

Ages 8+1 hour, then 2 weeks

You need A large clear jar, sand, soil, dry leaves, 3-4 earthworms

How to do it
  1. Layer soil and sand in stripes so you can see them
  2. Add damp leaves on top and three or four worms from a garden
  3. Cover the jar with paper so it stays dark
  4. Uncover it every few days to look, then return the worms to the garden

The stripes disappear. Worms mix soil, which is exactly what they do underground.

Measure your plant

Ages 6+2 minutes a week

You need A strip of paper, a pen, a growing plant

How to do it
  1. Cut a long strip of paper and stand it beside the plant
  2. Mark the top of the plant on the strip and write the date
  3. Repeat on the same day each week
  4. Hold the strip up after two months

Growth is not steady. The gaps get wider when it is warm and wet.

Make a seed bomb

Ages 6+30 minutes, dry for 2 days

You need Clay soil, compost, native flower seeds, water

How to do it
  1. Mix five spoons of clay soil with one of compost
  2. Add a pinch of seed and just enough water to bind it
  3. Roll walnut-sized balls and dry them in shade for two days
  4. Throw them onto bare ground before the monsoon

Clay holds the seed still and the rain does the sowing. Use native seed only.

Chase the light

Ages 7+2 weeks

You need Two identical seedlings in pots, a shoebox, scissors

How to do it
  1. Cut one hole in the end of the shoebox
  2. Put one pot inside, the lid on, and the other on the windowsill
  3. Water both the same
  4. Compare them after ten days

The boxed plant grows long, pale and bent towards the hole. Light is food.

Keep a rain gauge

Ages 8+5 minutes a day in the rains

You need A straight-sided jar, a ruler, tape, a notebook

How to do it
  1. Tape the ruler to the outside of the jar with zero at the base
  2. Stand the jar in the open, away from walls and trees
  3. Read it at the same time every day and then empty it
  4. Add the week up and compare it with the next

One heavy hour can beat a whole week of drizzle.

Sow a windowsill salad

Ages 5+3 weeks to harvest

You need A shallow tray, potting mix, coriander or methi seed

How to do it
  1. Fill the tray with mix and water it before sowing
  2. Scatter seed thinly and cover with a dusting of mix
  3. Keep it bright and damp, never soggy
  4. Cut with scissors when it is a hand tall, leaving the roots

Cut, do not pull. It grows back twice more from the same roots.


Where to go next


Grow this month

Sow roots now: carrot, radish, beetroot, in deep troughs.

What can I grow now? →


Printables

Free for classrooms and homes with credit to Grihvatika.org. Ask for any sheet and a person sends it back — usually the same day.


Nature quiz

Guess before you look. Ten questions about the plants and creatures in an Indian garden.

  1. Why do marigolds get planted at the edge of a vegetable bed?
    Show the answer

    Their roots release a substance that suppresses root-knot nematodes, and the flowers feed hoverflies whose larvae eat aphids.

    Companion planting is not folklore here — it is two separate, documented mechanisms.

  2. A butterfly lays eggs on one particular plant and ignores the rest. Why?
    Show the answer

    Caterpillars can usually eat only a few closely related plants; the mother is choosing food for her caterpillars, not for herself.

    This is why native host plants matter more than nectar flowers.

  3. You water a pot every day and the leaves still yellow. What is the likeliest cause?
    Show the answer

    Too much water, or a pot that cannot drain. Roots need air as much as water.

    Nine times in ten, yellowing in a home garden is drainage, not hunger.

  4. Which part of a coriander plant do we call dhania as a spice?
    Show the answer

    The dried seed. The leaf is also dhania — the same plant gives both.

    One plant, two ingredients, different names in different Indian kitchens.

  5. Where does the mass of a plant mostly come from — soil, water or air?
    Show the answer

    Air. Most of the dry weight of a plant is carbon it took from carbon dioxide.

    The most counter-intuitive fact in botany, and the reason trees matter for climate.

  6. Why is a peepal tree so often growing out of a wall?
    Show the answer

    Birds eat the figs and drop the seeds where they perch; the seedling needs almost no soil to start.

    The tree is dispersed by animals, which is why it turns up where nobody planted it.

  7. What are the small bumps on the roots of a bean plant?
    Show the answer

    Nodules of bacteria that take nitrogen from the air and give it to the plant.

    This is why legumes are grown in rotation — they leave the soil richer.

  8. Earthworms in a pot: good or bad?
    Show the answer

    Good. They move air and water through the soil and turn dead leaves into food for roots.

    A garden without soil life is just a plant in a container.

  9. Why do many Indian plants flower at the end of the monsoon rather than in spring?
    Show the answer

    Water, not temperature, is the limiting factor for much of the year, so the growing season follows the rain.

    European gardening calendars do not transfer here; this is why.

  10. Is a tulsi grown from a cutting the same plant as its parent?
    Show the answer

    Genetically yes — a cutting is a clone. A seedling is not.

    It is how a household keeps one particular tulsi going for decades.


Teaching with a garden?

Curriculum links, a term plan, a school-garden starter kit and the printed activity pack — everything we send to the schools we work with.

For teachers