Translation guide
A plant that lives for more than two years, regrowing each season. In Japanese, the most common term is 多年草, but related terms exist for specific contexts like woody perennials or horticultural use.
perennial plant
Most common term for herbaceous perennials.
A plant that lives for multiple years, dying back in winter and regrowing in spring.
Standard term for herbaceous perennial plants. Used in gardening, botany, and everyday contexts.
I've planted perennials in this flower bed.
Perennials bloom every year.
Specifically refers to perennials that survive winter through underground roots or stems. Common in horticulture.
Even if the above-ground parts die in winter, the roots of perennials remain alive.
More formal or scientific term for perennial plants, including woody plants. Less common in daily conversation.
Perennial plants are classified into woody and herbaceous types.
A perennial plant with woody stems, like trees or shrubs.
Referring to perennials in gardening or nursery settings.
多年草 is the general term for any perennial plant, while 宿根草 specifically refers to those that overwinter via underground storage organs. In casual gardening, 多年草 is sufficient.
Annual plants are 一年草 (いちねんそう), biennials are 二年草 (にねんそう). Be careful not to mix them up.
この庭には様々な樹木があります。
There are various trees in this garden.
I found lavender in the perennial section of the garden store.