Sunrose
portulaca umbraticola
Also known as: ["Moss Rose","Moss-rose Purslane"]
Overview
A low-growing, succulent annual with fleshy leaves and bright, cup-shaped flowers that open in full sun.
Benefits & Perks
["long-flowering","drought tolerant","fragrant flowers","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Portulacaceae |
| Genus: | Portulaca |
| Botanical Name: | Portulaca umbraticola |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed or container in full sun
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°C"}
- Hardiness: {"zones":"8–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, sandy or loamy soil with some organic matter.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: high
- Pruning Frequency: As needed, or every 2–3 months to maintain shape.
- Pruning Intensity: Light to moderate; avoid removing more than one-third of the plant at once.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day); tolerates partial shade but may become leggy.
Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh midday sun in hot climates; place in brightest spot indoors.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun
Rotate plant weekly for even growth; use sheer curtains to filter intense light indoors.
Watering
every 7–10 days, allowing soil to dry between waterings
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overhead watering to prevent fungal issues.
Soil
well-draining, sandy or loamy soil
pH: Slightly acidic to neutral (6.0–7.0).
Use cactus mix as a base; avoid heavy clay soils; ensure soil dries between waterings.
Temperature
Warm conditions (65–85°F/18–29°C); sensitive to frost; prefers stable temperatures.
Avoid drafts; maintain consistent warmth; protect from sudden temperature drops.
Fertilizing
every 4–6 weeks during active growth with balanced liquid fertilizer
Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; stop fertilizing in fall.
Propagation
Methods
Stem cuttings or division.
Step-by-Step Propagation Guide
- Take 3–4 inch cuttings.
- Remove lower leaves.
- Plant in moist medium.
- Keep humid until roots form.
Best Time: Spring or early summer when plant is actively growing.
Environment
Warm (70–75°F/21–24°C), high humidity, indirect light.
Medium
Well-draining mix like cactus soil or perlite and peat moss.
Hormone
Optional but can speed up rooting.
Timeline
Roots in 2–3 weeks; establish in 4–6 weeks.
Tools Needed
Sharp scissors, rooting hormone (optional), small pots, misting spray bottle.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist but not waterlogged; provide bottom heat if possible.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node.
Pruning Plan
Remove dead or leggy stems to encourage bushier growth; prune after flowering to promote rebloom.
Tools
Clean, sharp scissors or pruning shears.
Checklist
Sanitize tools; prune dead or damaged growth; shape as desired; dispose of clippings.
Repotting Guide
Best Season
Spring, before active growth begins.
Pot Size
One size larger pot (e.g., +2 inches in diameter).
Method
Remove plant gently; trim roots if crowded; repot in fresh, well-draining soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for rejuvenation.
Checklist
Check root bound status; prepare new pot with drainage; use fresh soil; water sparingly post-repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; avoid wetting foliage.
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 minimize evaporation and fungal growth.
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 coarse sand for drainage; incorporate compost for fertility; ensure pots have drainage holes.
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
Growth slows or halts; leaves may turn yellow or brown; risk of root rot due to reduced evaporation.
Solution: Move to a warmer location; provide frost protection; reduce watering in cool conditions.
Hot Stress
Wilting, leaf scorch, or drooping; may cease flowering in excessive heat.
Solution: Provide afternoon shade; increase humidity; water early in the day; ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with foliage.
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
Non-toxicPortulaca umbraticola is not known to be toxic to cats. It does not produce any known harmful compounds that would cause adverse effects in felines.
⚡ Toxic If:
if eaten
Dogs
Non-toxicPortulaca umbraticola is not known to be toxic to dogs. It does not produce any known harmful compounds that would cause adverse effects in canines.
⚡ Toxic If:
if eaten
Humans
Non-toxicPortulaca umbraticola is not known to exhibit toxic effects in humans. It is generally considered safe for consumption and handling.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Does Portulaca umbraticola require much water?
A: No, it is drought-tolerant and prefers well-drained soil, making it suitable for low-water conditions.
Q: Why are the leaves turning yellow?
A: Yellow leaves may indicate overwatering or poor drainage; ensure the plant is not sitting in water.
Q: Can this plant grow in shade?
A: Portulaca umbraticola thrives in full sun and may not perform well in shade.
Quick Reference
| Family: | Portulacaceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 7–10 days, allowing so |
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