---
title: "What Plants Need to Grow"
description: "Understand that plants need water, light, and a suitable temperature to grow and stay healthy"
canonical: https://lightmysky.com/learn/science/what-plants-need-to-grow-mt_3v0VNkwquK
source: https://lightmysky.com/learn/science/what-plants-need-to-grow-mt_3v0VNkwquK.md
retrieved: 2026-10-19
---

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# What Plants Need to Grow

Understand that plants need water, light, and a suitable temperature to grow and stay healthy

Subject: Science · Area: Organisms & Life Processes · Ages 6 to 8
Page: https://lightmysky.com/learn/science/what-plants-need-to-grow-mt_3v0VNkwquK

## Ready when they can

- Name three things plants need to grow: water, light, suitable temperature
- Predict what happens to a plant kept in the dark, with no water, or in freezing cold
- Describe the results of a simple test comparing plants grown in different conditions

## Lesson: What Plants Need to Grow

Every plant needs three things to grow strong and stay healthy: water, light, and weather that isn't too hot or too cold. If a plant misses even one of these, it starts to struggle.

*(drawing: Two identical plants were tested for two weeks. The one on the sunny windowsill grew much taller than the one in the dark cupboard.)*

**Example.** Zara tried this herself. She put one bean plant on a sunny windowsill and watered it every day. She put a second plant, the same size, in a dark cupboard and watered it every day too. Only the light was different. Two weeks later, the windowsill plant stood tall with green leaves. The cupboard plant was pale, wilted, and small.

**Tip.** Check on your plant often. Dry, curled leaves mean it's thirsty. Pale, droopy leaves mean it wants more light. Brown, mushy leaves after a freeze mean it got too cold.

**Recap.** Water, light, and the right temperature: a plant needs all three to stay healthy.

## Practice

8 questions on this page, each with its working shown.

## Needs first

- [What Living Things Need](https://lightmysky.com/learn/science/what-living-things-need-mt_L1469gt34A)

## Opens up

- [What Plants Need to Thrive](https://lightmysky.com/learn/science/what-plants-need-to-thrive-mt_lutxvMlkwS)