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Plant and garden vocabulary words

This list supports students, gardeners, and science learners exploring the parts of a plant and the language of botany. Use it to label diagrams, write about a garden, or prepare for a life science unit on how plants grow and reproduce.

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Plant and garden vocabulary words

30 words
WordMeaningIn a sentenceSave
rootnounThe part of a plant that grows underground, absorbing water and nutrients and anchoring it in the soil.The tree's roots had grown so large they were beginning to crack the sidewalk.
stemnounThe main upward-growing stalk of a plant that supports leaves, flowers, or fruit.She trimmed the stem of the rose before placing it in the vase.
leafnounA flat, typically green part of a plant that grows from a stem and carries out photosynthesis.Each autumn, the maple leaf outside my window turns from green to bright orange.
petalnounOne of the colored, leaf-like parts that together form the outer part of a flower.A gentle breeze scattered rose petals across the garden path.
seednounThe small reproductive part of a plant from which a new plant can grow.She planted the seed carefully and watered it every day.
sproutverbTo begin to grow, or to send out new shoots from a seed, bulb, or plant.New potatoes had already begun to sprout in the dark pantry.
bloomnounA flower, especially one that has fully opened, or the state or period of flowering.The garden was covered in bright red blooms by the middle of June.
pollennounA fine powder produced by flowers, carried by wind or insects, that fertilizes other plants of the same species.Bees collect pollen from flowers as they move between blossoms.
nectarnounA sweet liquid produced by flowers that attracts insects and birds and is collected by bees to make honey.Hummingbirds hovered near the feeder, drinking the sugary nectar inside.
chlorophyllnounThe green pigment in plants that absorbs light energy for photosynthesis.Chlorophyll gives leaves their green color and allows them to capture sunlight.
photosynthesisnounThe process in which plants, algae, and some bacteria use light energy to make sugars.The leaves use light for photosynthesis.
germinateverbTo begin to grow and develop, especially when a seed sprouts.The bean seeds germinated within a week after we watered them every day.
soilnounThe loose top layer of earth in which plants grow, made of minerals, organic matter, and living organisms.The farmer tested the soil to see which nutrients it lacked before planting.
saplingnounA young tree, especially one with a slender trunk.Volunteers planted a hundred saplings along the riverbank to prevent erosion.
shrubnounA woody plant smaller than a tree, typically with several stems branching from near the ground.We planted a row of shrubs along the back fence for privacy.
vinenounA climbing or trailing plant with a flexible stem that grows along the ground or up supports.Grapes ripened slowly on the vine throughout the warm summer months.
thornnounA small, sharp, pointed growth on the stem or branch of a plant.A thorn from the rosebush pricked her finger as she reached for the flowers.
barknounThe tough outer covering of a tree's trunk and branches.The bark of the old oak was rough and covered in patches of moss.
canopynounA covering that hangs or stretches over something, such as trees' upper branches or a bed.Sunlight barely reached the forest floor beneath the thick canopy.
orchardnounA piece of land planted with fruit trees, often enclosed and carefully tended.We picked baskets of apples from the orchard behind the farmhouse.
greenhousenounA glass or plastic structure used to grow plants in a controlled, warm environment.She grows tomatoes year-round in a small greenhouse behind her house.
fertilizernounA natural or chemical substance added to soil to increase its fertility and promote plant growth.Farmers spread fertilizer across the fields before planting the spring wheat.
wiltverbTo become limp and droop, especially from heat, lack of water, or exhaustion.The flowers began to wilt in the afternoon sun after we forgot to water them.
pruneverbTo trim a plant by cutting away dead, damaged, or overgrown branches to encourage healthy growth.Every autumn, the gardener prunes the rose bushes back to encourage new blooms in spring.
transplantverbTo move a living organ, tissue, or plant from one place and establish it in another.Surgeons worked through the night to transplant the donated kidney into the patient.
evergreenadjectiveDescribing a plant that keeps its green leaves throughout the year rather than shedding them.The garden stayed colorful in winter thanks to several evergreen shrubs along the fence.
deciduousadjectiveDescribing trees or shrubs that shed their leaves annually, typically in autumn.Maple trees are deciduous, losing their colorful leaves every fall.
budnounA small swelling on a plant that develops into a leaf, flower, or shoot.Tiny green buds appeared on the branches as spring approached.
tubernounA short, thickened underground stem or root that stores nutrients and can grow into a new plant.Potatoes are tubers that develop underground on the roots of the plant.
bulbnounA glass device that produces light when connected to an electric current, or the rounded underground part of certain plants.The old bulb flickered a few times before finally burning out.

Plant cell and growth words

Some of the most useful plant vocabulary describes what happens inside a cell or seed before a plant is visible above ground. Chlorophyll is the pigment that lets leaves capture sunlight, and photosynthesis is the process that turns that light into food. Germinate describes a seed's first stage of growth, when a root and shoot break through the seed coat and begin to develop.

Frequently asked questions

What is the difference between an annual and a perennial plant?

An annual completes its life cycle in one growing season and then dies, while a perennial regrows from its roots year after year.

What does deciduous mean?

Deciduous describes trees and shrubs that shed their leaves each year, usually in autumn, as opposed to evergreen plants that keep their leaves.