Yellow Woodland Sunflower
smallanthus uvedalia
Also known as: ["Yellow Woodland Sunflower","Uvedalia"]
Overview
A perennial herbaceous plant native to North America, known for its bright yellow flowers and woodland habitat preference.
Benefits & Perks
["long-flowering","wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Smallanthus |
| Botanical Name: | Smallanthus uvedalia |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: garden bed or container in a location with good air circulation
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"4–8"}
- Misting: rarely required
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Rich, well-draining soil with organic matter; cactus mix amended with compost works well.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring; light pruning can be done as needed.
- Pruning Intensity: Moderate; remove up to one-third of old growth if necessary.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade (4–6 hours of direct sunlight daily); tolerates some afternoon shade in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh afternoon sun; adjust placement based on seasonal light changes.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even growth; provide shade during peak summer; monitor for sunburn.
Watering
every 7–10 days during growing season, reduce in winter
Water thoroughly but infrequently; ensure proper drainage; adjust based on season and growth stage.
Soil
well-drained, loamy soil with moderate organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use well-draining mix; avoid heavy clay soils; amend with organic matter for nutrients.
Temperature
Prefers moderate temperatures (60–75°F or 15–24°C); can tolerate cooler nights but avoid frost.
Protect from frost; avoid sudden temperature swings; monitor for heat stress signs.
Fertilizing
every 4–6 weeks during active growth
Apply fertilizer after watering; stop in dormant periods; flush soil occasionally to prevent buildup.
Propagation
Methods
Stem cuttings or division of rhizomes.
Step-by-Step Propagation Guide
- Take cuttings.
- Apply rooting hormone.
- Plant in medium.
- Keep moist.
- Monitor for roots.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid conditions with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix with perlite or sand.
Hormone
Optional, but rooting hormone can improve success rates.
Timeline
Roots develop in 3–6 weeks; new growth appears in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, pots, well-draining mix.
Quick Tips
Use healthy, non-flowering stems; maintain humidity; avoid direct sun during rooting.
Pruning & Repotting
Pruning Guide
Method
Cut back stems to healthy nodes; thin out crowded areas; avoid cutting into old wood.
Pruning Plan
Remove dead or damaged growth; shape the plant to encourage bushier growth; promote air circulation.
Tools
Pruning shears, sterilized knife, gloves.
Checklist
Sterilize tools; prune dead/damaged growth; shape plant; clean up debris.
Repotting Guide
Best Season
Early spring before new growth begins.
Pot Size
Increase pot size by 2–3 inches in diameter; ensure drainage holes.
Method
Remove plant gently; trim roots if crowded; replace with fresh soil; ensure good drainage.
Suggestions
Repot every 2–3 years or when roots fill the container; beneficial for growth and health.
Checklist
Check root bound status; prepare new pot; trim roots; refresh soil; water lightly.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; avoid wetting foliage; allow excess water to drain away.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in extreme heat or cold; yellowing leaves in cold stress.
Cold Stress
Slows growth, may cause leaf damage or dieback; vulnerable to frost injury.
Solution: Provide frost protection; move to a sheltered location; avoid overwatering in cold conditions.
Hot Stress
Leaves may wilt, scorch, or drop; reduced flowering; increased water demand.
Solution: Increase watering frequency; provide partial shade; improve air circulation.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to soil; avoid foliage contact.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicSmallanthus uvedalia is slightly toxic to cats if ingested. The plant's compounds may lead to mild gastrointestinal distress in felines, especially with significant consumption. No severe toxic reactions have been documented in cats.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicSmallanthus uvedalia can be slightly toxic to dogs if ingested. The plant contains compounds that may cause mild gastrointestinal upset in canines, particularly if consumed in large amounts. There are no known severe toxic effects on dogs.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicSmallanthus uvedalia is generally considered non-toxic to humans. However, excessive consumption of its roots and leaves may cause mild gastrointestinal discomfort due to the presence of certain compounds. The plant is not known to have significant toxic effects on human physiology.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Frequently Asked Questions
Q: Does Smallanthus uvedalia attract pollinators?
A: Yes, it is highly attractive to bees, butterflies, and other pollinators.
Q: Is this plant toxic to pets?
A: No, it is non-toxic to dogs and cats.
Q: How much sunlight does it require?
A: It prefers partial shade but can tolerate full sun with adequate moisture.
Quick Reference
| Family: | Asteraceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during growi |
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