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Plants / Spirea

Spirea

Spiraea

Also known as: Spiraea, Meadowsweet

⚠ïļ Toxic to petsRosaceaeVery easy to propagate

A complete guide to growing and propagating Spirea: its care needs, how to take cuttings and root them, how long propagation takes, and how to fix the most common problems.

Spirea care at a glance

☀ïļ Light
Full sun to part shade; best flowering in full sun.
💧 Water
Water while establishing; drought-tolerant once mature.
ðŸŠī Soil
Adaptable to most well-draining soils.
ðŸ’Ļ Humidity
Deciduous shrub hardy in zones 3-8.
ðŸū Toxicity
Generally considered non-toxic to cats and dogs; not on the ASPCA toxic list.

Track your spirea cuttings & propagation in SnipLog

Log when you took each cutting, set rooting reminders, and watch your propagation timeline — free on iPhone.

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How to propagate Spirea

Softwood cuttings

Difficulty: Very easyTimeline: Roots in 3-5 weeks; pot on to grow out.
  1. Take 4-inch tip cuttings of soft new growth in early summer.
  2. Strip the lower leaves and optionally dip in rooting hormone.
  3. Insert into moist cutting mix and keep humid.
  4. Pot on once rooted.

Division

Difficulty: EasyTimeline: Immediate; re-establishes within a season.
  1. Lift a mature clumping spirea in early spring.
  2. Split the root ball into sections with roots and stems.
  3. Replant divisions at the same depth.
  4. Water in and keep moist while establishing.

Common Spirea problems & fixes

Cuttings rot before they root

Too wet or no airflow. Use a free-draining mix, water sparingly, and vent the humidity cover daily.

Cuttings wilt after taking them

Normal at first — keep humidity high under a dome, out of direct sun, until roots form and perk them up.

Powdery mildew on leaves

Poor airflow and damp foliage. Space plants out, water at the base, and improve circulation.

Track your spirea cuttings & propagation in SnipLog

Log when you took each cutting, set rooting reminders, and watch your propagation timeline — free on iPhone.

Get SnipLog →

Toxicity notes are a general guide based on ASPCA-style classifications — if a pet ingests any houseplant, contact your vet. Care needs vary with your home's conditions.