Globe Flower
trollius asiaticus
Also known as: ["Asian Globeflower","Orange Trollius"]
Overview
A herbaceous perennial with bright yellow, globe-shaped flowers, native to Asia.
Benefits & Perks
["long-flowering","wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Ranunculales |
| Family: | Ranunculaceae |
| Genus: | Trollius |
| Botanical Name: | Trollius asiaticus |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: garden bed in partial shade, protected from strong winds
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"–30–30°C"}
- Hardiness: {"zones":"3–7"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Well-draining but moisture-retentive.
- Soil Type: Rich, loamy soil with good organic matter content.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Remove spent flowers as they fade; cut back foliage in late fall or early spring; divide every 3–4 years.
- Pruning Intensity: Light to moderate; avoid heavy pruning except during division.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade (4–6 hours of direct sunlight daily); benefits from afternoon shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to full sun if moved from shade; protect from intense midday sun to prevent scorching; adjust placement based on seasonal light intensity.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun to partial shade
Morning sun is ideal; provide shade during peak heat; rotate pots for even light exposure.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but allow soil to dry slightly between waterings; avoid waterlogging to prevent root rot; prioritize deep watering over frequent shallow applications.
Soil
moist, fertile, well-drained loam
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil is rich and well-draining; mulch to retain moisture; avoid compacted soil.
Temperature
Prefers cool to moderate temperatures (60–75°F or 15–24°C); tolerates cold but requires protection from extreme heat.
Protect from frost; avoid sudden temperature swings; maintain consistent cool conditions during dormancy.
Fertilizing
every 4–6 weeks during spring and summer
Fertilize lightly after new growth appears; water before applying fertilizer to prevent root burn; avoid fertilizing in extreme heat.
Propagation
Methods
Division of rhizomes or root cuttings.
Step-by-Step Propagation Guide
- Divide rhizomes into sections with at least one bud.
- Replant immediately at the same depth.
- For root cuttings, take 2–3 inch sections and plant horizontally in moist medium.
Best Time: Early spring or late summer when the plant is dormant or just beginning growth.
Environment
Cool, humid conditions with indirect light; maintain consistent moisture for root cuttings.
Medium
Well-draining soil mix with added perlite or sand; can also be propagated in water for root cuttings.
Hormone
Not typically required for division; rooting hormone can be used for root cuttings to encourage faster rooting.
Timeline
Division: immediate establishment; root cuttings: 4–6 weeks for roots, 1–2 years for flowering.
Tools Needed
Sharp, sterile knife or pruners, gloves, rooting hormone (optional), pots or trays.
Quick Tips
Divide every 3–4 years to maintain vigor; ensure each division has healthy roots and buds; keep newly propagated plants shaded until established.
Pruning & Repotting
Pruning Guide
Method
Deadhead by cutting just below the flower; cut back foliage to ground level after dormancy; use clean cuts to avoid disease.
Pruning Plan
Remove spent flowers to encourage reblooming; cut back foliage after flowering to tidy appearance; divide overcrowded clumps to maintain health.
Tools
Hand pruners, gloves, clean knife (for division).
Checklist
Remove dead or damaged foliage; deadhead spent blooms; clean tools between cuts; divide if overcrowded.
Repotting Guide
Best Season
Early spring before new growth begins or late summer after flowering.
Pot Size
Plant divisions in containers or garden beds with adequate space for root expansion.
Method
Divide the rhizomes, replant in well-draining soil at the same depth, and water thoroughly.
Suggestions
Not typically repotted; division is the primary method of maintenance and propagation.
Checklist
Divide rhizomes, inspect for health, replant at correct depth, water well, and provide shade if needed.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture before watering; water deeply at the base; ensure drainage; adjust frequency based on weather.
How to Apply Water Properly
Water directly at the root zone, ensuring even moisture distribution; water early in the morning to minimize evaporation; ensure excess water drains away to prevent waterlogging.
Watering Schedule Tips
Water deeply once a week during active growth, increasing to twice weekly in hot, dry conditions; reduce watering in dormancy (late fall to early spring).
Soil Improvement
Add compost or well-rotted manure to enhance fertility and structure; incorporate perlite or sand for drainage.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in excessive heat; leaf drop or crown rot in prolonged cold or frost.
Cold Stress
Low temperatures can cause root damage or dormancy; frost can kill tender growth or damage buds.
Solution: Mulch heavily around the base; cover plants during frost; choose a sheltered location; avoid overwatering in cold weather.
Hot Stress
Excessive heat can lead to dehydration, leaf scorch, or reduced flowering; may go dormant if stressed.
Solution: Provide afternoon shade; increase watering frequency; use mulch to retain moisture; ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; apply in spring; water before and after; stop in fall.
Fertilizing Method
Use a balanced, slow-release fertilizer in early spring; avoid high-nitrogen formulas; discontinue fertilizing during dormancy.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats may experience mild gastrointestinal upset if they ingest parts of Trollius asiaticus. The plant is not considered highly toxic to cats but can cause discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicIn dogs, ingestion of Trollius asiaticus can lead to mild gastrointestinal upset. The plant is not highly toxic but can cause discomfort if consumed in significant quantities.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicTrollius asiaticus contains toxic compounds that can cause mild gastrointestinal distress and skin irritation upon ingestion. The plant's effects are generally not life-threatening but can cause discomfort.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Trollius asiaticus toxic to pets?
A: Yes, it is mildly toxic to dogs and cats if ingested.
Q: Does Trollius asiaticus attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Q: What are the common problems with Trollius asiaticus?
A: Common issues include yellow leaves, wilting, and leaf spots.
Quick Reference
| Family: | Ranunculaceae |
| Care: | moderate |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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