Plant care
Dogwood (Bloody Twig) care
Cornus sanguinea
Also called Common Dogwood, Dogwood, Bloody Twig, Pedwood.
Watering rhythm
Medium indirect light (a couple of metres from a window)
Low to moderate — water during establishment; drought-tolerant thereafter
Light
Medium indirect light (a couple of metres from a window)
Soil
Well-drained to moist, alkaline to neutral loam, chalk, or clay
Humidity
Moderate to high (50–80 % RH)
Temp
-25 to 30 °C
Pet safety
Mildly toxic to pets
Mature size
2–4 m tall and wide if unpruned
Care at a glance
Light
The Goldilocks zone. Not the south-facing windowsill (too hot, too direct), not the back of the room (too dim, growth stalls). Grows well in full sun to partial shade; stem colour is most vivid on plants in an open, sunny position — deep shade produces greener, less colourful stems. If you can't decide, a free phone lux-meter app aimed at the leaf at noon should read between 800 and 1,500 lux.
Watering
Watering dogwood: low to moderate — water during establishment; drought-tolerant thereafter. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Tolerates periodic waterlogging in winter but performs best in well-drained soils; established shrubs rarely need supplemental watering in the UK climate.
Soil and pot
Dogwood grows best in well-drained to moist, alkaline to neutral loam, chalk, or clay. Thrives on chalk and limestone soils where many plants struggle; also grows well in heavy clay if not persistently waterlogged. Soil pH 6.0–8.0 is suitable. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.
Humidity and temperature
Dogwood sits happiest at around Moderate to high (50–80 % RH) humidity and -25 to 30 °C (-13 to 86 °F). Fully adapted to UK ambient humidity; tolerates wind and exposed coastal sites without supplemental humidity. Good airflow reduces fungal leaf disease. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.
Fertilising
Feed dogwood sparingly. Top-dress with a balanced granular fertiliser (e.g. 7-7-7 NPK) in early spring after hard pruning; avoid excessive nitrogen, which promotes leafy growth at the expense of stem colour. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.
Common problems
Below are the issues we see most often on dogwood in the Growli community. Each is annotated with the most common cause so you know where to start.
- Cornus anthracnose (Discula destructiva) — Causes leaf blotching, shoot dieback, and cankers; more severe on stressed plants — maintain vigour through hard pruning and good soil drainage, and remove infected stems promptly.
- Woolly aphid colonies on young shoots — Dense clusters of aphids on new growth cause curling and distortion; knock off with a strong jet of water or apply an insecticidal soap spray in spring before populations build.
Propagation
Take hardwood cuttings 20–25 cm long in November–January and insert in free-draining compost in a cold frame; alternatively layer low-growing branches in autumn. Suckers can be detached and replanted in early spring. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.
Toxicity to pets
Dogwood is mildly toxic to pets. Cornus sanguinea is not listed by ASPCA as highly toxic, but the berries and plant sap contain glycosides and saponins that may cause gastrointestinal upset (vomiting, diarrhoea) in cats and dogs if consumed. Classified as mildly toxic — contact your vet if a pet ingests significant quantities of berries. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).
Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.
Dogwood care — frequently asked questions
What is the common name for Cornus sanguinea?
Cornus sanguinea is most commonly called Dogwood, but it is also known as Common Dogwood, Dogwood, Bloody Twig, Pedwood. The names refer to the same species, so care instructions for Dogwood apply identically to anything sold as Bloody Twig.
How much light does dogwood need?
Dogwood grows best in medium indirect light (a couple of metres from a window). Grows well in full sun to partial shade; stem colour is most vivid on plants in an open, sunny position — deep shade produces greener, less colourful stems.
How often should I water dogwood?
Water dogwood low to moderate — water during establishment; drought-tolerant thereafter. Tolerates periodic waterlogging in winter but performs best in well-drained soils; established shrubs rarely need supplemental watering in the UK climate. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is dogwood toxic to cats and dogs?
Dogwood is mildly toxic to pets. Cornus sanguinea is not listed by ASPCA as highly toxic, but the berries and plant sap contain glycosides and saponins that may cause gastrointestinal upset (vomiting, diarrhoea) in cats and dogs if consumed. Classified as mildly toxic — contact your vet if a pet ingests significant quantities of berries.
What USDA hardiness zone does dogwood grow in?
Dogwood is rated for USDA zone 5-8 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Dogwood deep-dive guides
Every aspect of dogwood care, each with its own calibrated guide:
- Common dogwood problems & fixes
- Dogwood watering schedule
- Dogwood light requirements
- Best soil mix for dogwood
- Dogwood fertilizing guide
- When to repot dogwood
- How to propagate dogwood
- How to prune dogwood
- What's eating my dogwood?
- Dogwood growth rate & size
- Dogwood cold hardiness
- Dogwood temperature & humidity
- Is dogwood toxic to cats & dogs?
- Is dogwood toxic to cats?
- Is dogwood toxic to dogs?
- All 27 Cornus varieties
- Getting dogwood to bloom
Featured in these plant shortlists
Dogwood qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
- Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
- Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
- Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
- Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
- Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Dogwood is also known as Common Dogwood, Dogwood, Bloody Twig, and Pedwood.