Purslane
polygonum aviculare
Also known as: ["Common purslane","Pigweed","Pussley"]
Overview
A low-growing, succulent annual plant with fleshy leaves and small yellow flowers, often found in gardens and disturbed areas.
Benefits & Perks
["edible fruits","drought tolerant","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Botanical Name: | Polygonum aviculare |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: ground cover in open areas or containers
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"3–9"}
- Misting: rarely required
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, sandy loam with some organic matter; adaptable to various soil types.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: very high
- Pruning Frequency: As needed, typically every 2–3 months or after flowering.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary for rejuvenation.
Care Details
Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh midday sun to prevent scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
very easyeasy
Sunlight
full sun to partial shade
Rotate plants for even light exposure; use shade cloth in extreme heat; monitor for signs of sunburn.
Watering
every 7–10 days, or when soil surface is dry
Water evenly to avoid drought stress; ensure good drainage to prevent root rot; adjust frequency based on season and growth stage.
Soil
well-drained, sandy or loamy soil
pH: Slightly acidic to neutral, pH 6.0–7.0.
Avoid heavy clay soils; amend with organic matter for better structure; test pH periodically.
Temperature
Prefers moderate temperatures, 60–75°F (15–24°C); tolerates cooler conditions but avoids prolonged frost.
Monitor temperature fluctuations; adjust care based on seasonal changes; protect from sudden temperature drops.
Fertilizing
every 4–6 weeks during growing season
Fertilize lightly to prevent nutrient burn; water before fertilizing to avoid root shock; stop fertilizing in dormant periods.
Propagation
Methods
Stem cuttings or division; stem cuttings are the most common method for Polygonum aviculare.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in medium.
- Keep moist and warm.
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 potting mix or perlite and peat moss mixture.
Hormone
Optional, but rooting hormone can speed up root development.
Timeline
Roots typically form in 2–4 weeks; new growth appears in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium.
Quick Tips
Use healthy, non-flowering stems; maintain high humidity with a plastic cover; avoid direct sunlight.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node to promote branching.
Pruning Plan
Light pruning to maintain shape and encourage bushier growth; remove dead or damaged stems as needed.
Tools
Pruning shears, sharp scissors, gloves.
Checklist
Use clean tools; prune dead or diseased parts; shape the plant evenly; dispose of clippings properly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size up from current pot; ensure good drainage holes.
Method
Remove plant gently; trim roots if crowded; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for container-grown plants to refresh soil.
Checklist
Choose appropriate pot size; prepare fresh soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture daily; water when top inch is dry; ensure water reaches roots; avoid overwatering.
How to Apply Water Properly
Water at the base of the plant, ensuring even moisture distribution to the root zone; avoid wetting foliage to minimize fungal issues; water early in the day to allow foliage to dry.
Watering Schedule Tips
Water lightly and frequently during active growth, allowing soil to dry slightly between waterings; reduce frequency in winter dormancy.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, stunted growth, or leaf drop in response to extreme heat or cold.
Cold Stress
Low temperatures slow growth and can cause tissue damage or death in frost conditions.
Solution: Provide frost protection in cold climates; move potted plants indoors during freezes; use mulch to insulate roots.
Hot Stress
Excessive heat can lead to wilting, leaf scorch, and reduced vigor, especially in dry conditions.
Solution: Provide shade during peak heat; increase watering frequency; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid winter feeding; rinse soil occasionally to prevent salt buildup.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength; apply every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicPolygonum aviculare is not toxic to cats. The plant poses minimal risk, though excessive consumption may lead to mild gastrointestinal upset.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicProstrate knotweed is not considered toxic to dogs. The plant is unlikely to cause significant harm unless ingested in very large quantities, which could lead to mild gastrointestinal irritation.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicPolygonum aviculare, commonly known as prostrate knotweed, is generally considered non-toxic to humans. However, ingestion of large quantities may cause mild gastrointestinal discomfort due to its fibrous nature.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Frequently Asked Questions
Q: Is Polygonum aviculare edible?
A: Yes, the leaves and stems are edible and can be used in salads or cooked as a vegetable.
Q: How does Polygonum aviculare spread?
A: It spreads through seeds and can quickly colonize bare or disturbed soil.
Q: Is Polygonum aviculare invasive?
A: Yes, it can be considered invasive in some regions due to its rapid growth and seed production.
Quick Reference
| Family: | Polygonaceae |
| Care: | very easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days, or when soi |
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