Herb · Caprifoliaceae family
Common valerian
Valeriana officinalis
In short a 10-second read
spacing 23½ in
Where to plant and how much to water
Sun, soil and water.
It grows best in full sun to part shade, in average to moist soil.
Sun
Soil
Watering
Frost
How much space it takes
Mature size.
The mature plant next to a person (69 in).
Plant 23½ in apart.
Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.
Calendar
Through the year.
Typical for a temperate climate (four seasons). The line shows the current month.
The year at a glance
Flowers
June–August · white or pink
Sowing
direct sowing: March–May, August–September
Planting
container plant: March–November; division: March–April, September–October
What to plant now (March) full list in March (284) →What to plant now (April) full list in April (323) →What to plant now (May) full list in May (185) →What to plant now (June) full list in June (58) →What to plant now (July) full list in July (26) →What to plant now (August) full list in August (25) →What to plant now (September) full list in September (146) →What to plant now (October) full list in October (243) →What to plant now (November) full list in November (147) →
Frequently asked
Quick answers.
When does common valerian flower?
In June–August; the flowers are white or pink.
When do I sow common valerian?
In March–May, August–September (direct sowing).
Does common valerian tolerate shade?
It tolerates part shade (3–6 hours of sun), but not full shade.
How much space does common valerian need?
At maturity 1 ft 11⅝ in–3 ft 11¼ in wide and 2 ft 11⅜ in–4 ft 11 in tall; recommended spacing 23½ in.
Sources (13) Checked 19 October 2026
- plants.ces.ncsu.edu
- missouribotanicalgarden.org
- rhs.org.uk
- pladias.cz
- api.gbif.org
- samen-maier.at 2
- ema.europa.eu 2
- yardandgarden.extension.iastate.edu
- Invasive plant lists — this species is not on them: EASIN, EASIN 2, Slovakia
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