Grow Your Knowledge.

Grow Your Knowledge.

Learn gardening terms.

Learn gardening terms.

Key Stages

Seed Stage

The life cycle begins as a dormant seed containing an embryo and stored food.

Seed Stage

The life cycle begins as a dormant seed containing an embryo and stored food.

Seed Stage

The life cycle begins as a dormant seed containing an embryo and stored food.

Germination

The seed sprouts; the root (radicle) and shoot (plumule) begin to grow.

Germination

The seed sprouts; the root (radicle) and shoot (plumule) begin to grow.

Germination

The seed sprouts; the root (radicle) and shoot (plumule) begin to grow.

Seedling Stage

The young plant develops its first true leaves and starts photosynthesis.

Seedling Stage

The young plant develops its first true leaves and starts photosynthesis.

Seedling Stage

The young plant develops its first true leaves and starts photosynthesis.

Vegetative Growth

Rapid growth of stems, leaves, and roots; the plant builds its structure.

Vegetative Growth

Rapid growth of stems, leaves, and roots; the plant builds its structure.

Vegetative Growth

Rapid growth of stems, leaves, and roots; the plant builds its structure.

Budding

The plant forms flower buds, preparing for reproduction.

Budding

The plant forms flower buds, preparing for reproduction.

Budding

The plant forms flower buds, preparing for reproduction.

Flowering

The plant produces flowers; pollination and fertilization occur.

Flowering

The plant produces flowers; pollination and fertilization occur.

Flowering

The plant produces flowers; pollination and fertilization occur.

Fruiting

Flowers turn into fruit containing seeds; this is the harvestable stage.

Fruiting

Flowers turn into fruit containing seeds; this is the harvestable stage.

Fruiting

Flowers turn into fruit containing seeds; this is the harvestable stage.

Harvesting

The produce reaches maturity and is picked for consumption or sale.

Harvesting

The produce reaches maturity and is picked for consumption or sale.

Harvesting

The produce reaches maturity and is picked for consumption or sale.

Seed Formation/Maturity

Seeds fully develop inside the fruit, completing the plant’s life cycle.

Seed Formation/Maturity

Seeds fully develop inside the fruit, completing the plant’s life cycle.

Seed Formation/Maturity

Seeds fully develop inside the fruit, completing the plant’s life cycle.

Key Terms

Aeration

Loosening soil to improve airflow and root health.

Aeration

Loosening soil to improve airflow and root health.

Alkaline Soil

Soil with a pH higher than 7, often requiring amendments.

Alkaline Soil

Soil with a pH higher than 7, often requiring amendments.

Amendment

Material added to soil to improve its quality.

Amendment

Material added to soil to improve its quality.

Annual

A plant that completes its life cycle in one season.

Annual

A plant that completes its life cycle in one season.

Aquaponics

A system combining aquaculture and hydroponics.

Aquaponics

A system combining aquaculture and hydroponics.

Beneficial Insects

Insects that help control pests or aid pollination.

Beneficial Insects

Insects that help control pests or aid pollination.

Biochar

Charcoal added to soil to improve fertility.

Biochar

Charcoal added to soil to improve fertility.

Biodiversity

Variety of plant and animal life in an ecosystem.

Biodiversity

Variety of plant and animal life in an ecosystem.

Black Spot

Fungal disease that causes dark leaf spots.

Black Spot

Fungal disease that causes dark leaf spots.

Blossom End Rot

Calcium deficiency causing dark spots on fruit.

Blossom End Rot

Calcium deficiency causing dark spots on fruit.

Bolting

When a plant prematurely goes to seed.

Bolting

When a plant prematurely goes to seed.

Bone Meal

Fertilizer high in phosphorus, made from ground bones.

Bone Meal

Fertilizer high in phosphorus, made from ground bones.

Broadcast Seeding

Scattering seeds over soil rather than planting in rows.

Broadcast Seeding

Scattering seeds over soil rather than planting in rows.

Bt (Bacillus thuringiensis)

Organic pesticide for caterpillar control.

Bt (Bacillus thuringiensis)

Organic pesticide for caterpillar control.

Chelated Nutrients

Nutrients chemically altered for better plant absorption.

Chelated Nutrients

Nutrients chemically altered for better plant absorption.

Chitting

Pre-sprouting potatoes before planting.

Chitting

Pre-sprouting potatoes before planting.

Cold Frame

A structure that protects plants in cooler weather.

Cold Frame

A structure that protects plants in cooler weather.

Companion Planting

Growing plants together for mutual benefit.

Companion Planting

Growing plants together for mutual benefit.

Compost

Decomposed organic matter used as fertilizer.

Compost

Decomposed organic matter used as fertilizer.

Corm

Short, swollen underground plant stem.

Corm

Short, swollen underground plant stem.

Cover Crop

Crops grown to enrich soil and prevent erosion.

Cover Crop

Crops grown to enrich soil and prevent erosion.

Crop Rotation

Changing planting locations yearly to preserve soil health.

Crop Rotation

Changing planting locations yearly to preserve soil health.

Crown

Base of plant where stem meets roots.

Crown

Base of plant where stem meets roots.

Cultivar

A plant variety selected for specific traits.

Cultivar

A plant variety selected for specific traits.

Cuttings

A method of plant propagation using a stem or leaf.

Cuttings

A method of plant propagation using a stem or leaf.

Damping Off

Fungal disease causing seedlings to wilt and die.

Damping Off

Fungal disease causing seedlings to wilt and die.

Deadheading

Removing spent blooms to encourage more flowers.

Deadheading

Removing spent blooms to encourage more flowers.

Deciduous

Plants that shed leaves annually.

Deciduous

Plants that shed leaves annually.

Deep Water Culture

A hydroponic method where roots are submerged in water.

Deep Water Culture

A hydroponic method where roots are submerged in water.

Dibber

Tool for making holes for seeds or seedlings.

Dibber

Tool for making holes for seeds or seedlings.

Direct Sowing

Planting seeds directly into the ground.

Direct Sowing

Planting seeds directly into the ground.

Drip Irrigation

Watering plants at the roots via a drip system.

Drip Irrigation

Watering plants at the roots via a drip system.

Earthworm

Soil organism that improves aeration and fertility.

Earthworm

Soil organism that improves aeration and fertility.

Espalier

Training plants to grow flat against a structure.

Espalier

Training plants to grow flat against a structure.

Espalier

Method of training trees to grow flat against a wall.

Espalier

Method of training trees to grow flat against a wall.

Fertilizer

Nutrient source used to promote plant growth.

Fertilizer

Nutrient source used to promote plant growth.

Floret

Small flower in a cluster, e.g., broccoli.

Floret

Small flower in a cluster, e.g., broccoli.

Foliar Feed

Fertilizer sprayed directly onto plant leaves.

Foliar Feed

Fertilizer sprayed directly onto plant leaves.

Frost Date

Average date of last frost in spring.

Frost Date

Average date of last frost in spring.

Garden Fork

Tool for turning soil and compost.

Garden Fork

Tool for turning soil and compost.

Germination

Process where a seed sprouts into a plant.

Germination

Process where a seed sprouts into a plant.

Girdling

Removing bark around a tree, which kills it.

Girdling

Removing bark around a tree, which kills it.

Grafting

Joining plant parts to grow as one.

Grafting

Joining plant parts to grow as one.

Green Manure

Plants grown and turned into soil to enrich it.

Green Manure

Plants grown and turned into soil to enrich it.

Greenhouse

Enclosed space for growing plants year-round.

Greenhouse

Enclosed space for growing plants year-round.

Growing Medium

Material used to support plant roots.

Growing Medium

Material used to support plant roots.

Guttation

Water droplets exuded from leaf tips.

Guttation

Water droplets exuded from leaf tips.

Hardening Off

Gradually acclimating seedlings to outdoor conditions.

Hardening Off

Gradually acclimating seedlings to outdoor conditions.

Hardpan

Compacted soil layer that roots can’t penetrate.

Hardpan

Compacted soil layer that roots can’t penetrate.

Harvest

The act of collecting mature crops.

Harvest

The act of collecting mature crops.

Heirloom

Open-pollinated plant varieties passed down generations.

Heirloom

Open-pollinated plant varieties passed down generations.

Herbaceous

Non-woody plants that die back after growing season.

Herbaceous

Non-woody plants that die back after growing season.

Hilling

Mounding soil around the base of plants.

Hilling

Mounding soil around the base of plants.

Hot Composting

Fast method of composting using high temperatures.

Hot Composting

Fast method of composting using high temperatures.

Hybrid

Plant bred from two different varieties.

Hybrid

Plant bred from two different varieties.

Hydroponics

Growing plants in nutrient-rich water, no soil.

Hydroponics

Growing plants in nutrient-rich water, no soil.

Indeterminate

Plants that continuously produce fruit (like tomatoes).

Indeterminate

Plants that continuously produce fruit (like tomatoes).

Integrated Pest Management

Eco-friendly approach to pest control.

Integrated Pest Management

Eco-friendly approach to pest control.

Intercropping

Planting different crops close together.

Intercropping

Planting different crops close together.

Lattice

Crisscrossed structure for climbing plants.

Lattice

Crisscrossed structure for climbing plants.

Leaching

Loss of nutrients from soil due to excess water.

Leaching

Loss of nutrients from soil due to excess water.

Leaf Mold

Decayed leaves used as soil conditioner.

Leaf Mold

Decayed leaves used as soil conditioner.

Leggy

Tall, weak seedlings with too little light.

Leggy

Tall, weak seedlings with too little light.

Legume

Plants that fix nitrogen into the soil.

Legume

Plants that fix nitrogen into the soil.

Light Meter

Tool to measure light intensity.

Light Meter

Tool to measure light intensity.

Loam

Ideal garden soil composed of sand, silt, and clay.

Loam

Ideal garden soil composed of sand, silt, and clay.

Manure

Animal waste used as organic fertilizer.

Manure

Animal waste used as organic fertilizer.

Manure Tea

Liquid fertilizer made from steeped manure.

Manure Tea

Liquid fertilizer made from steeped manure.

Microclimate

Small, specific climate within a larger area.

Microclimate

Small, specific climate within a larger area.

Microgreens

Young seedlings harvested for salads and garnishes.

Microgreens

Young seedlings harvested for salads and garnishes.

Mound

Raised area of soil for planting crops.

Mound

Raised area of soil for planting crops.

Mulch

Organic or synthetic layer to retain moisture and suppress weeds.

Mulch

Organic or synthetic layer to retain moisture and suppress weeds.

Mycorrhizae

Symbiotic fungi that help plant roots absorb nutrients.

Mycorrhizae

Symbiotic fungi that help plant roots absorb nutrients.

Nematode

Microscopic worm, some of which harm plants.

Nematode

Microscopic worm, some of which harm plants.

Nitrogen Fixation

Conversion of atmospheric nitrogen into usable form.

Nitrogen Fixation

Conversion of atmospheric nitrogen into usable form.

Node

Point on a stem where leaves or buds emerge.

Node

Point on a stem where leaves or buds emerge.

NPK

Abbreviation for Nitrogen, Phosphorus, Potassium in fertilizers.

NPK

Abbreviation for Nitrogen, Phosphorus, Potassium in fertilizers.

Organic Gardening

Gardening without synthetic chemicals.

Organic Gardening

Gardening without synthetic chemicals.

Organic Matter

Decomposed plant/animal material in soil.

Organic Matter

Decomposed plant/animal material in soil.

Overwinter

To keep plants alive during winter months.

Overwinter

To keep plants alive during winter months.

Peat Moss

Organic material used to improve soil retention.

Peat Moss

Organic material used to improve soil retention.

Perennial

Plant that lives for more than two seasons.

Perennial

Plant that lives for more than two seasons.

Perlite

Volcanic glass that improves aeration in soil.

Perlite

Volcanic glass that improves aeration in soil.

Pest

Organism that damages crops or garden plants.

Pest

Organism that damages crops or garden plants.

pH Level

Measure of soil acidity or alkalinity.

pH Level

Measure of soil acidity or alkalinity.

Photosensitivity

Plant response to light duration.

Photosensitivity

Plant response to light duration.

Photosynthesis

Process where plants make food from sunlight.

Photosynthesis

Process where plants make food from sunlight.

Pinching

Removing plant tips to encourage bushier growth.

Pinching

Removing plant tips to encourage bushier growth.

Pollination

Transfer of pollen to fertilize flowers.

Pollination

Transfer of pollen to fertilize flowers.

Potash

Potassium-rich substance used in fertilizer.

Potash

Potassium-rich substance used in fertilizer.

Pricking Out

Transplanting seedlings into bigger containers.

Pricking Out

Transplanting seedlings into bigger containers.

Propagation

Creating new plants from cuttings or seeds.

Propagation

Creating new plants from cuttings or seeds.

Raised Bed

Elevated garden bed for better drainage and soil control.

Raised Bed

Elevated garden bed for better drainage and soil control.

Raised Row

Elevated garden row for better drainage.

Raised Row

Elevated garden row for better drainage.

Rehydration

Restoring moisture to dried growing media.

Rehydration

Restoring moisture to dried growing media.

Rhizome

Underground plant stem that sends out roots and shoots.

Rhizome

Underground plant stem that sends out roots and shoots.

Root Ball

Mass of roots and soil at a plant's base.

Root Ball

Mass of roots and soil at a plant's base.

Root Crop

Edible plant grown underground (e.g., carrots).

Root Crop

Edible plant grown underground (e.g., carrots).

Row Cover

Lightweight fabric to protect plants from pests and frost.

Row Cover

Lightweight fabric to protect plants from pests and frost.

Runner

Horizontal stem that grows new plants (e.g., strawberries).

Runner

Horizontal stem that grows new plants (e.g., strawberries).

Sandy Soil

Soil that drains quickly but holds fewer nutrients.

Sandy Soil

Soil that drains quickly but holds fewer nutrients.

Scarification

Nicking seed coats to encourage germination.

Scarification

Nicking seed coats to encourage germination.

Scion

A plant part grafted onto another plant.

Scion

A plant part grafted onto another plant.

Seed Coat

Protective outer covering of a seed.

Seed Coat

Protective outer covering of a seed.

Seed Saving

Collecting and storing seeds for future planting.

Seed Saving

Collecting and storing seeds for future planting.

Seedling

A young plant just emerging from the seed.

Seedling

A young plant just emerging from the seed.

Self-Watering Container

Planter that supplies water from a built-in reservoir.

Self-Watering Container

Planter that supplies water from a built-in reservoir.

Shade Cloth

Fabric that reduces sunlight for sensitive plants.

Shade Cloth

Fabric that reduces sunlight for sensitive plants.

Sheet Mulching

Layering materials to smother weeds and enrich soil.

Sheet Mulching

Layering materials to smother weeds and enrich soil.

Silage

Fermented green matter used as fertilizer.

Silage

Fermented green matter used as fertilizer.

Silt

Fine soil particles that hold nutrients but drain poorly.

Silt

Fine soil particles that hold nutrients but drain poorly.

Soil Biology

Microorganisms and organisms living in soil.

Soil Biology

Microorganisms and organisms living in soil.

Soil Test

Analysis of soil nutrients and pH.

Soil Test

Analysis of soil nutrients and pH.

Spacing

Distance between plants for proper growth.

Spacing

Distance between plants for proper growth.

Spade

A flat-bladed digging tool.

Spade

A flat-bladed digging tool.

Sprouting

Early stage of seed growth.

Sprouting

Early stage of seed growth.

Stake

Support inserted into soil to hold plants upright.

Stake

Support inserted into soil to hold plants upright.

Staking

Supporting plants with stakes or poles.

Staking

Supporting plants with stakes or poles.

Stolon

Horizontal stem that grows above ground.

Stolon

Horizontal stem that grows above ground.

Succession Planting

Staggering plantings for continuous harvest.

Succession Planting

Staggering plantings for continuous harvest.

Taproot

Main root growing deep into soil.

Taproot

Main root growing deep into soil.

Taproot

Main vertical root that grows deep into soil.

Taproot

Main vertical root that grows deep into soil.

Thatch

Dead plant material that can block water.

Thatch

Dead plant material that can block water.

Thinning

Removing extra seedlings to reduce crowding.

Thinning

Removing extra seedlings to reduce crowding.

Tilth

Soil texture and its suitability for planting.

Tilth

Soil texture and its suitability for planting.

Tilth

Soil structure that supports root growth.

Tilth

Soil structure that supports root growth.

Transplanting

Moving plants from one location to another.

Transplanting

Moving plants from one location to another.

Trellis

Structure that supports climbing plants.

Trellis

Structure that supports climbing plants.

Trench Composting

Composting by burying waste in a garden trench.

Trench Composting

Composting by burying waste in a garden trench.

Vermiculite

Mineral used to improve soil aeration and water retention.

Vermiculite

Mineral used to improve soil aeration and water retention.

Vertical Gardening

Growing plants upward to save space.

Vertical Gardening

Growing plants upward to save space.

Water Table

Depth at which soil is saturated with water.

Water Table

Depth at which soil is saturated with water.

Watering Can

Handheld tool used to irrigate plants.

Watering Can

Handheld tool used to irrigate plants.

Weed Barrier

Fabric or plastic that blocks weeds from growing.

Weed Barrier

Fabric or plastic that blocks weeds from growing.

Weeding

Removing unwanted plants from garden beds.

Weeding

Removing unwanted plants from garden beds.

Wheelbarrow

Tool for moving soil and compost.

Wheelbarrow

Tool for moving soil and compost.

Windbreak

Barrier that protects garden from strong winds.

Windbreak

Barrier that protects garden from strong winds.

Winter Sowing

Starting seeds outdoors in containers during winter.

Winter Sowing

Starting seeds outdoors in containers during winter.

Worm Castings

Nutrient-rich waste produced by composting worms.

Worm Castings

Nutrient-rich waste produced by composting worms.

Xylem

Plant tissue that transports water from roots.

Xylem

Plant tissue that transports water from roots.

Yard Waste

Organic debris like leaves and grass clippings.

Yard Waste

Organic debris like leaves and grass clippings.

Zinc Deficiency

Nutrient issue that can stunt plant growth.

Zinc Deficiency

Nutrient issue that can stunt plant growth.

Other Resources

Find articles, tutorials, and trusted resources to help you develop your green thumb. Explore seasonal tips, tool guides, and local gardening clubs to deepen your gardening expertise.

Gardening tips, planting calendars, and seasonal advice.

Garden planning tools and guides for beginners.

Daily tips, videos, and how-to guides for urban gardening.

Gardening supplies and growing advice.

Heirloom seeds and resources on seed saving and biodiversity.

Support and resources for community garden projects.

Custom garden planning based on your location and preferences.

Tool to find your planting zone and guide planting times.

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