die back

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Definition

Verb (intransitive): To wither or decay from the tip toward the root, typically as a symptom of disease or environmental stress. It describes the progressive death of a plant's shoots, stems, or branches.

Usage

This verb is used specifically in horticulture, botany, and gardening contexts to describe a condition where parts of a perennial plant die, often seasonally or due to blight, while the root system may remain alive.

Examples
  • The lavender will die back in a hard frost but often regrows in spring.
  • If the roses die back, you should prune the affected stems to healthy wood.
  • The disease causes the plant to die back slowly over several weeks.
Advanced Usage
  • As a noun (gerund/nominalization): "Die-back" (often hyphenated) can function as a noun to name the condition itself.
    • The die-back of the forest is attributed to the spreading fungus.
  • Used in technical descriptions of plant pathology and environmental science.
Variants and Related Words
  • Die down: A related phrasal verb meaning to become less strong or active. While sometimes used interchangeably in casual gardening talk, "die down" more often refers to a natural, seasonal reduction (e.g., foliage dying down in autumn), whereas "die back" implies a problematic, often disease-related process.
  • Wither: A more general synonym for shrivel and die.
  • Necrosis: The scientific term for the death of plant (or animal) cells or tissues.
Synonyms

Wither, wilt, perish (of plant parts), shrivel, decay.

Related Phrasal Verbs
  • Die down: To subside or diminish in intensity.
    • Wait for the wind to die down before going sailing.
  • Die off: To die one after another until few or none are left.
    • The fish began to die off due to pollution in the pond.
Related Idioms
  • To die back to the ground: A specific gardening idiom meaning the aerial parts of a herbaceous perennial completely wither in winter, with growth resuming from the roots or crown in spring.
    • These ferns die back to the ground every winter.
Verb
  1. suffer from a disease that kills shoots
    • The plants near the garage are dying back

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