Common Dogwood

cornus sanguinea

Also known as: ["Bloodtwig Dogwood","Redtwig Dogwood"]

Family: Cornaceae Genus: Cornus Category: Shrubs

Overview

A deciduous shrub native to Europe, valued for its vibrant red winter stems and small white flowers.

Benefits & Perks

["seasonal color change","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Cornales
Family: Cornaceae
Genus: Cornus
Botanical Name: Cornus sanguinea

Plant Characteristics

Basic Information
  • Category: Shrubs
  • Suitable Location: mixed borders, woodland edges, or as a specimen shrub in garden beds
  • Suitable For:
    Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"–15–35°C"}
  • Hardiness: {"zones":"5–8"}
  • Misting: rarely required, only if grown in very dry indoor conditions
  • Drainage: Moderate to well-draining. Avoid waterlogged conditions.
  • Soil Type: Well-draining, loamy soil with organic matter. Tolerates clay but prefers improved drainage.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: Annually in late winter or early spring before new growth begins.
  • Pruning Intensity: Moderate to heavy. Remove up to one-third of the oldest stems each year.
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade (4–6 hours of direct sunlight daily). Tolerates more shade but may produce fewer flowers.

Sunlight Tolerance Tips:
Acclimate plants gradually to full sun if moved from shade. Protect from harsh afternoon sun in hot climates. Indoor plants need bright, indirect light if grown inside.

Warning Signs: Yellowing leaves (chlorosis) may indicate poor drainage or nutrient deficiency; wilting despite moist soil suggests root rot.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even growth; use sheer curtains to filter intense light; avoid placing near heat sources.

Watering

every 7–10 days during growing season, less frequently in winter

Water thoroughly but infrequently to encourage deep roots; avoid waterlogging; ensure soil dries slightly between waterings.

Soil

moist, well-drained, fertile soil

pH: Slightly acidic to neutral (pH 6.0–7.0).

Mulch to retain moisture; avoid compacting soil; test pH periodically.

Temperature

Hardy in USDA zones 4–8. Prefers cool to moderate temperatures (60–75°F or 15–24°C). Tolerates winter cold but benefits from protection in extreme heat.

Protect from late spring frosts; water early to avoid heat stress; ensure good air circulation.

Fertilizing

annually in early spring with balanced slow-release fertilizer

Avoid over-fertilizing, which can harm roots; fertilize before new growth emerges; stop fertilizing in late summer to avoid tender growth.

Propagation

Methods

Softwood cuttings in early summer or hardwood cuttings in late winter/early spring.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Maintain humidity.
  6. Keep warm and bright.

Best Time: Early summer for softwood cuttings; late winter for hardwood cuttings.

Environment

High humidity (70–90%), warm temperatures (65–75°F or 18–24°C), and indirect light.

Medium

Peat-based mix with perlite or sand for good drainage.

Hormone

Recommended to use rooting hormone for better success rates.

Timeline

Softwood cuttings root in 4–8 weeks; hardwood cuttings may take 2–3 months to root and establish.

Tools Needed

Pruning shears, rooting hormone, plastic bags or propagator, misting spray bottle.

Quick Tips

Use sharp, clean tools; keep cuttings out of direct sun; maintain consistent moisture.

Pruning & Repotting

Pruning Guide
Method

Cut stems back to ground level or just above a healthy bud. Thin out crowded branches to improve air circulation.

Pruning Plan

Renewal pruning to maintain vigor and encourage colorful stems. Remove old or weak growth to promote new, vibrant stems.

Tools

Pruning shears, loppers, gloves, disinfectant for tools.

Checklist

Disinfect tools; cut at a 45-degree angle; remove dead/diseased wood; clean up debris after pruning.

Repotting Guide
Best Season

Late winter or early spring before active growth begins.

Pot Size

Increase pot size by 2–3 inches in diameter if repotting is necessary.

Method

Use fresh, well-draining soil mix; ensure pot has drainage holes; trim roots if pot-bound; water thoroughly after repotting.

Suggestions

Not typically needed unless grown in containers. In-ground plants rarely require repotting.

Checklist

Choose appropriate pot size; prepare new soil mix; gently remove plant; trim roots if needed; replant at same depth.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture before watering; water deeply; ensure drainage; avoid wetting foliage.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone. Water early in the morning to minimize evaporation and allow foliage to dry. Ensure excess water drains away to prevent root rot.

Pro Tip: Use a soaker hose to deliver water directly to the roots, reducing runoff and evaporation.
Watering Schedule Tips

Water deeply once a week during spring and summer, reducing frequency to every 2–3 weeks in fall and winter. Adjust based on rainfall and soil moisture.

Soil Improvement

Add compost or well-rotted manure to improve structure and fertility. Incorporate sand or perlite to enhance drainage in heavy soils.

Temperature Stress Management
Signs of Temperature Issues

Chlorosis or leaf scorch in excessive heat; dieback or delayed bud break in cold stress.

Cold Stress

Low temperatures can cause dieback of stems and delayed spring growth, especially in young or newly planted specimens.

Solution: Mulch heavily around the base in winter; protect from harsh winds; avoid planting in frost pockets.

Hot Stress

Excessive heat can lead to leaf scorch, wilting, and reduced flowering. Stems may become brittle.

Solution: Provide afternoon shade; increase watering during heatwaves; use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Use balanced fertilizer; apply in early spring; avoid late-season feeding.

Fertilizing Method

Use a balanced, slow-release fertilizer in early spring. Apply a light dose of liquid fertilizer monthly during growing season if needed.

Common Problems & Solutions

Yellowing leaves in Cornus sanguinea can indicate nutrient deficiencies, overwatering, or pest infestations, potentially affecting photosynthesis and overall plant health.

Wilting in Cornus sanguinea may result from water stress, either due to drought or overwatering, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Cornus sanguinea are often caused by fungal or bacterial infections, which can reduce photosynthetic efficiency and lead to premature leaf drop.

Rotting, particularly root or stem rot, can occur in Cornus sanguinea due to excessive moisture or fungal pathogens, leading to decay and potential plant death.

Toxicity Warning

Cats
Slightly Toxic

Cornus sanguinea berries are considered slightly toxic to cats. The tannins in the berries can lead to mild gastrointestinal distress in felines.

⚠️ Symptoms:
vomiting diarrhea depression
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten

Prevent cats from accessing the berries. If ingestion is suspected, seek veterinary advice immediately.
Dogs
Slightly Toxic

The berries of Cornus sanguinea can be slightly toxic to dogs if ingested. The toxicity is primarily due to the presence of tannins, which can cause mild gastrointestinal upset in canines.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten

Keep dogs away from the berries to prevent ingestion. If ingestion occurs, consult a veterinarian.
Humans
Non-toxic

Cornus sanguinea, commonly known as bloodtwig dogwood, is generally considered non-toxic to humans. However, ingestion of large quantities of its berries may cause mild gastrointestinal discomfort due to their high tannin content.

⚠️ Symptoms:
nausea stomach discomfort diarrhea
🌿 Toxic Parts:
berries
⚡ Toxic If:

if eaten in large quantities

While not highly toxic, it is advisable to avoid consuming large amounts of the berries.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Cornus sanguinea toxic to pets?

A: It is mildly toxic to dogs and cats if ingested.

Q: Why are the leaves turning yellow?

A: Yellow leaves may indicate overwatering, poor drainage, or nutrient deficiency.

Q: Does Cornus sanguinea attract wildlife?

A: Yes, it attracts bees, butterflies, and birds with its flowers and berries.

Quick Reference
Family: Cornaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during growi
Suitable For: ["outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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