Endress's Cranesbill

geranium endressii

Also known as: ["Endress Geranium","Endress's Geranium"]

Family: Geraniaceae Genus: Geranium Category: Flowers

Overview

A hardy perennial with delicate pink flowers and deeply divided leaves, native to the Pyrenees.

Benefits & Perks

["long-flowering","deer resistant","wildlife attractant (bees, butterflies, birds)","low maintenance","shade tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Geraniales
Family: Geraniaceae
Genus: Geranium
Botanical Name: Geranium endressii

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: garden bed or container in a location with good air circulation
  • Suitable For:
    Beginners Busy People (low Maintenance) Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–30°C"}
  • Hardiness: {"zones":"6–9"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, loamy soil with added organic matter.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: After flowering; lightly prune throughout the growing season as needed.
  • Pruning Intensity: Light to moderate; focus on deadheading and shaping rather than heavy cuts.
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.

Sunlight Tolerance Tips:
Acclimate plants gradually to full sun; protect from intense midday sun; adjust placement based on seasonal light changes.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil conditions or improper watering.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even growth; provide shade during peak summer heat; monitor for sunburn signs.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overhead watering.

Soil

well-drained, loamy soil with moderate organic matter

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

Use raised beds for better drainage; avoid heavy clay soils; amend with organic matter.

Temperature

Prefers cool to moderate temperatures (60–75°F or 15–24°C); tolerates cooler nights and mild frosts.

Avoid sudden temperature shifts; protect from frost; ensure good air circulation.

Fertilizing

every 4–6 weeks during spring and summer

Apply fertilizer after watering; flush soil occasionally to prevent salt buildup; stop fertilizing in fall.

Propagation

Methods

Stem cuttings or division of root clumps.

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. Keep moist and warm.

Best Time: Early spring or late summer when the plant is actively growing.

Environment

Warm, humid environment with indirect light; maintain consistent moisture.

Medium

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

Hormone

Rooting hormone is recommended for faster root development.

Timeline

Roots develop in 3–6 weeks; new growth appears in 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, misting spray bottle.

Quick Tips

Use healthy, non-flowering stems; maintain high humidity; avoid direct sunlight.

Pruning & Repotting

Pruning Guide
Method

Use clean cuts just above a leaf node or bud; remove dead or damaged stems.

Pruning Plan

Remove spent flowers to encourage reblooming; trim leggy growth to maintain shape.

Tools

Pruning shears, clean knife, gloves.

Checklist

Clean tools; deadhead spent blooms; trim leggy stems; remove dead foliage.

Repotting Guide
Best Season

Early spring before new growth begins.

Pot Size

One size larger pot; ensure good drainage holes.

Method

Remove plant gently; trim roots if crowded; place in new pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for rejuvenation.

Checklist

Choose appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wetting leaves.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.

Pro Tip: Use a watering can with a narrow spout to direct water to the roots without wetting foliage.
Watering Schedule Tips

Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in extreme heat; yellowing or browning leaves in cold stress.

Cold Stress

Slows growth and can cause leaf damage or dieback in prolonged cold; may enter dormancy.

Solution: Provide frost protection in winter; move potted plants indoors; use mulch to insulate roots.

Hot Stress

Leaves may wilt, scorch, or drop; flowering may be reduced in excessive heat.

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

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; fertilize during active growth; avoid winter feeding.

Fertilizing Method

Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring to early fall); avoid fertilizing in winter.

Common Problems & Solutions

Yellow leaves in Geranium endressii may indicate nutrient deficiencies, overwatering, or pest infestations, affecting the plant's photosynthetic efficiency and overall health.

Wilting in Geranium endressii can result from water stress, either due to drought or overwatering, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Geranium endressii are often caused by fungal or bacterial infections, which can reduce photosynthetic capacity and lead to premature leaf drop.

Rotting, particularly root or stem rot, can occur in Geranium endressii due to excessive moisture or fungal pathogens, leading to decay and eventual plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats that ingest Geranium endressii may experience mild gastrointestinal distress. The plant is not highly toxic but can cause mild symptoms.

⚠️ Symptoms:
vomiting diarrhea drooling depression
🌿 Toxic Parts:
leaves flowers stems
⚡ Toxic If:

if eaten

Keep plants away from cats. Seek veterinary advice if ingestion is suspected.
Dogs
Slightly Toxic

Ingestion of Geranium endressii by dogs may result in mild gastrointestinal irritation. The plant is not considered highly toxic but can cause discomfort.

⚠️ Symptoms:
vomiting diarrhea lethargy loss of appetite
🌿 Toxic Parts:
leaves flowers stems
⚡ Toxic If:

if eaten

Monitor pets closely. Contact a veterinarian if symptoms persist.
Humans
Slightly Toxic

Geranium endressii contains compounds that can cause mild gastrointestinal upset when ingested. The plant's effects are generally not severe but can lead to discomfort.

⚠️ Symptoms:
nausea vomiting diarrhea stomach pain
🌿 Toxic Parts:
leaves flowers stems
⚡ Toxic If:

if eaten

Avoid ingestion. Keep out of reach of children and pets.
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: How often should I water Geranium endressii?

A: Water moderately, allowing the soil to dry slightly between waterings.

Q: Does Geranium endressii attract wildlife?

A: Yes, it attracts bees, butterflies, and birds.

Q: Is Geranium endressii toxic to pets?

A: No, it is non-toxic to dogs and cats.

Quick Reference
Family: Geraniaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["beginners","busy people (low maintenance)","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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