Osteospermum
dimorphotheca pluvialis
Also known as: ["African Daisy","Rain Daisy"]
Overview
A vibrant, daisy-like flowering plant native to South Africa, known for its bright white or yellow flowers that open in sunlight.
Benefits & Perks
["long-flowering","wildlife attractant (bees, butterflies, birds)","drought tolerant","fragrant flowers"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Dimorphotheca |
| Botanical Name: | Dimorphotheca pluvialis |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed in full sun
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent root rot.
- Soil Type: Well-draining, sandy loam with some organic matter.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: After flowering or every 4–6 weeks during growing season.
- Pruning Intensity: Light to moderate; focus on deadheading and shaping.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day); tolerates partial shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh afternoon sun in hot regions; ensure good air circulation to prevent fungal issues.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun
Rotate plants for even light exposure; use shade cloth in extreme heat; avoid direct sun during peak hours.
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-draining, sandy loam
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil dries between waterings; avoid heavy clay soils; amend with organic matter if needed.
Temperature
Prefers 60–75°F (15–24°C); tolerates mild frosts but thrives in moderate temperatures.
Avoid sudden temperature shifts; protect from frost; ensure good air circulation.
Fertilizing
every 4–6 weeks during growing season
Fertilize sparingly to avoid leggy growth; apply after watering to prevent root burn; stop fertilizing in fall.
Propagation
Methods
Stem cuttings or seed; seeds are the most reliable method.
Step-by-Step Propagation Guide
- Take cuttings or sow seeds.
- Use rooting hormone if desired.
- Keep moist and warm until established.
Best Time: Spring or early summer when temperatures are mild.
Environment
Warm, humid conditions with bright indirect light.
Medium
Well-draining potting mix with perlite or sand.
Hormone
Optional, but rooting hormone can speed up the process.
Timeline
Seeds germinate in 1–3 weeks; cuttings root in 2–4 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining mix.
Quick Tips
Use fresh seeds for best germination; keep cuttings in a warm spot; avoid overwatering.
Pruning & Repotting
Pruning Guide
Method
Snip spent flowers just above a leaf node; trim stems to promote bushier growth.
Pruning Plan
Remove spent flowers to encourage continuous blooming; trim leggy stems to maintain shape.
Tools
Pruning shears, gloves, clean cutting tools.
Checklist
Remove dead flowers; trim leggy stems; clean tools after use.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Increase pot size by 1–2 inches in diameter.
Method
Gently remove plant; trim roots if necessary; replant in fresh, well-draining soil.
Suggestions
Repot every 1–2 years or when roots fill the container; beneficial for container-grown plants.
Checklist
Choose a new pot; prepare fresh soil; 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.
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 to improve drainage; incorporate compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold.
Cold Stress
Slows growth; may cause leaf discoloration or dieback in prolonged cold.
Solution: Provide frost protection; move containers indoors; use row covers for garden plants.
Hot Stress
Leaves may scorch, wilt, or drop; flowering may decline in excessive heat.
Solution: Provide afternoon shade; increase watering; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid winter feeding.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats are susceptible to liver toxicity from the pyrrolizidine alkaloids present in Dimorphotheca pluvialis, particularly with repeated exposure.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicThe pyrrolizidine alkaloids in Dimorphotheca pluvialis can lead to hepatic veno-occlusive disease in dogs if ingested in significant quantities over time.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicDimorphotheca pluvialis contains pyrrolizidine alkaloids, which can cause liver damage upon chronic ingestion. The toxic effects are more pronounced with prolonged exposure and consumption of large quantities.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: How often should I water Dimorphotheca pluvialis?
A: Water moderately, allowing the soil to dry slightly between waterings. Overwatering can lead to root rot.
Q: Does this plant attract wildlife?
A: Yes, it attracts bees, butterflies, and birds due to its nectar-rich flowers.
Q: Can Dimorphotheca pluvialis be grown indoors?
A: It is primarily an outdoor plant, thriving in full sun and well-drained soil. Indoor growth is challenging without sufficient light.
Quick Reference
| Family: | Asteraceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 7–10 days during activ |
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