Dwarf Sow-thistle
scorzonera humilis
Also known as: ["Dwarf Sow-thistle"]
Overview
A small, herbaceous plant belonging to the Asteraceae family, known for its daisy-like flowers and slender stems.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","low maintenance","aesthetic foliage"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Scorzonera |
| Botanical Name: | Scorzonera humilis |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: border plantings or rock gardens
- 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: Well-draining, sandy loam with some organic matter; avoid heavy clay soils.
Maintenance Level
- Maintenance Level: low
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 2–3 months or after flowering.
- Pruning Intensity: Light to moderate; avoid removing more than one-third of the plant at a time.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerates partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense light; protect from direct midday sun to prevent scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even light exposure; use sheer curtains to filter intense sunlight; avoid drafty windows.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
well-drained, sandy loam with moderate organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil and sand; avoid compacted soil; check drainage before planting.
Temperature
Prefers 60–75°F (15–24°C); cooler temperatures in winter promote dormancy.
Monitor temperature fluctuations; use a thermometer; adjust care based on seasonal changes.
Fertilizing
every 4–6 weeks during growing season
Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; use organic options for gentle feeding.
Propagation
Methods
Stem cuttings or division of clumps; seeds can also be used but may take longer to establish.
Step-by-Step Propagation Guide
- Take cuttings/divide clumps.
- Apply rooting hormone (if using).
- Plant in medium.
- Keep moist and warm.
- Transplant once rooted.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining mix of peat, perlite, and sand; can also use pure sand for stem cuttings.
Hormone
Rooting hormone is optional but recommended for faster rooting.
Timeline
Stem cuttings root in 3–6 weeks; division establishes in 1–2 months.
Tools Needed
Pruning shears, rooting hormone, pots, well-draining medium, misting bottle.
Quick Tips
Use healthy parent material; maintain humidity with a plastic cover; avoid overwatering.
Pruning & Repotting
Pruning Guide
Method
Snip dead or yellowing leaves at the base; trim back leggy stems to encourage branching.
Pruning Plan
Remove dead or damaged foliage to maintain plant health and appearance; encourage bushier growth.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sanitize tools; prune dead/damaged parts; shape as needed; clean up debris.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Increase pot size by 1–2 inches in diameter; ensure good drainage.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots outgrow the container; beneficial for root health and growth.
Checklist
Choose appropriate pot; prepare new soil; handle roots carefully; water after repotting.
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; allow excess water to drain away; water in the morning to reduce evaporation.
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 coarse sand for drainage; incorporate compost for fertility; ensure aeration with organic matter.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat; leaf drop or root rot in cold stress.
Cold Stress
Low temperatures slow growth and can cause root damage or death if prolonged below 50°F (10°C).
Solution: Move to a warmer location; insulate pots with bubble wrap; avoid cold drafts.
Hot Stress
Excessive heat leads to wilting, leaf scorch, and reduced vigor.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with foliage.
Fertilizing Method
Use a 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
Non-toxicScorzonera humilis is not known to be toxic to cats. There are no reported adverse effects from ingestion or contact.
⚡ Toxic If:
None
Dogs
Non-toxicScorzonera humilis is not known to be toxic to dogs. There are no reported adverse effects from ingestion or contact.
⚡ Toxic If:
None
Humans
Non-toxicScorzonera humilis is not known to exhibit toxic properties to humans. It is generally considered safe for consumption and handling.
⚡ Toxic If:
None
Frequently Asked Questions
Q: Is Scorzonera humilis toxic to pets?
A: There is insufficient data on its toxicity to pets.
Q: How often should Scorzonera humilis be watered?
A: It requires moderate watering, allowing the soil to dry slightly between waterings.
Q: Does Scorzonera humilis attract wildlife?
A: Yes, it attracts bees, butterflies, and other pollinators.
Quick Reference
| Family: | Asteraceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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