Gardening Terms

Glossary of Terms

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N
n-p-k
Shorthand for the primary plant nutrients nitrogen, phosphorus, and potassium in fertilizers. Learn more.
native
originating naturally in a given region or ecosystem. Learn more.
native plant
A species that occurs naturally in a region without human introduction. Learn more.
native seed mix
A blend of locally adapted plant species for habitat restoration or naturalized gardens. Learn more.
natural pest control
The use of beneficial insects, birds, or companion planting to manage pest populations without synthetic chemicals. Learn more.
necrosis
The death of plant tissue, often appearing as brown or blackened patches on leaves, stems, or fruit. Learn more.
necrotic
showing tissue death or decay. Learn more.
nectar
A sweet liquid produced by flowers to attract pollinators. Learn more.
nectary
The gland or structure in a flower that secretes nectar. Learn more.
needle miner
a type of leafminer that feeds inside conifer needles. Learn more.
nematode
Microscopic roundworms; some species are plant parasites while others are beneficial. Learn more.
nematode (plant-parasitic)
Microscopic roundworms that feed on plant roots, causing galls, stunted growth, and yield loss. Learn more.
nematodes
microscopic roundworms that live in soil or plant tissues; some are pests. Learn more.
niche
The role and position of an organism within its environment, including its interactions with other species. Learn more.
nitrogen deficiency
A nutrient imbalance causing uniform yellowing of older leaves and reduced plant vigor. Learn more.
no-till gardening
A soil conservation method that avoids turning the soil, preserving structure and beneficial organisms. Learn more.
nocturnal
active at night; applied to insects or animals that fly or feed after dark. Learn more.
node
The point on a stem where leaves, buds, or branches originate. Learn more.
nodes
the joints or points on a stem where leaves or buds originate. Learn more.
nursery pot
A reusable plastic or biodegradable container used for growing and selling plants. Learn more.
nut
A hard, one-seeded fruit that does not split open at maturity, such as an acorn. Learn more.
nutlet
A small nut or a segment of a fruit that resembles a nut. Learn more.
nymphs
immature forms of insects that resemble adults but lack fully developed wings or reproductive organs. Learn more.