Green Amaranth
amaranthus viridis
Also known as: ["Slender Amaranth","Green Pigweed"]
Overview
A fast-growing annual herb with edible leaves, often used in traditional cuisines and as a nutritious green.
Benefits & Perks
["edible fruits","fast growing","wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Amaranthaceae |
| Genus: | Amaranthus |
| Botanical Name: | Amaranthus viridis |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: garden bed or container in a warm, sunny area
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–35°C"}
- Hardiness: {"zones":"8–11"}
- Misting: rarely required
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter; can tolerate poor soils but thrives with enrichment.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: very high
- Pruning Frequency: As needed, typically every 4–6 weeks during growing season.
- Pruning Intensity: Light to moderate; avoid removing more than one-third of the plant at a time.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day) with tolerance for partial shade in extreme heat; adjust exposure based on seasonal intensity.
Sunlight Tolerance Tips:
Acclimate seedlings gradually to full sun; protect from intense midday sun in summer; place in a spot with morning sun and afternoon shade if needed.
Care Requirements
Care Difficulty
very easyeasy
Sunlight
full sun to partial shade
Rotate plant weekly for even growth; use sheer curtains to filter harsh sunlight; avoid direct sun on leaves during peak hours.
Watering
every 3–5 days during active growth, reduce in winter
Water thoroughly until it drains from the bottom; allow soil to dry between waterings; avoid overhead watering to prevent leaf diseases.
Soil
well-draining, fertile loam
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure soil is loose and airy; avoid compacted soil; test pH if growth issues arise.
Temperature
Prefers warm conditions (65–85°F or 18–29°C); thrives in tropical to subtropical climates; sensitive to frost.
Protect from frost; ensure good air circulation in heat; adjust watering with temperature changes.
Fertilizing
every 4–6 weeks during growing season
Dilute fertilizer to half strength to avoid burn; fertilize after watering to prevent root shock; avoid fertilizing stressed plants.
Propagation
Methods
Stem cuttings or seeds; stem cuttings are faster and more reliable for home growers.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in hormone (optional).
- Plant in medium.
- Keep moist and humid.
Best Time: Spring or early summer when temperatures are warm and humidity is moderate.
Environment
Warm (70–75°F or 21–24°C), high humidity (60–70%), and bright indirect light.
Medium
Well-draining mix of peat, perlite, and sand; can also root in water initially.
Hormone
Optional but recommended for faster rooting; use a mild rooting hormone powder.
Timeline
Roots develop in 1–2 weeks; new growth appears in 3–4 weeks; mature plant in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium, misting bottle.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; trim leggy stems to promote compact growth.
Pruning Plan
Light pruning to maintain shape and encourage bushier growth; remove dead or yellowing leaves to improve air circulation.
Tools
Clean pruning shears or scissors, gloves.
Checklist
Use clean tools; prune in early morning; remove dead/diseased parts; shape evenly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size larger pot (e.g., from 4-inch to 6-inch); ensure good drainage holes.
Method
Remove plant gently; trim any circling roots; place in a slightly larger pot with fresh, well-draining soil; water thoroughly.
Suggestions
Repot annually or when roots fill the pot; beneficial for container-grown plants to refresh soil and space.
Checklist
Choose appropriate pot size; use fresh soil mix; trim roots if necessary; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture daily; water deeply; ensure drainage; avoid wetting leaves.
How to Apply Water Properly
Water directly at the base of the plant, ensuring moisture reaches the root zone; water early in the morning to minimize evaporation and fungal growth; ensure excess water drains away to prevent waterlogging.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add compost or well-rotted manure for fertility; mix in perlite or sand for drainage; use mulch to retain moisture.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, stunted growth, or leaf drop in extreme heat or cold.
Cold Stress
Growth slows or halts below 50°F (10°C); prolonged exposure can cause leaf damage or death.
Solution: Move potted plants indoors during cold spells; use row covers for garden plants; avoid placing near drafty windows or doors.
Hot Stress
Leaves may scorch, wilt, or drop in temperatures above 90°F (32°C); growth may become leggy.
Solution: Provide shade during peak heat; increase watering frequency; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; dilute properly; apply during active growth; avoid winter feeding.
Fertilizing Method
Use balanced liquid fertilizer (10-10-10) every 4–6 weeks during growing season; reduce or stop in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicAmaranthus viridis is not considered toxic to cats and is not known to cause adverse effects upon ingestion.
⚡ Toxic If:
Generally non-toxic
Dogs
Non-toxicAmaranthus viridis is not considered toxic to dogs and is not known to cause adverse effects upon ingestion.
⚡ Toxic If:
Generally non-toxic
Humans
Non-toxicAmaranthus viridis is not considered toxic to humans and is often consumed as a leafy green vegetable in various cuisines.
⚡ Toxic If:
Generally non-toxic
Frequently Asked Questions
Q: Is Amaranthus viridis edible?
A: Yes, the leaves are edible and commonly used in salads and stir-fries.
Q: Does this plant attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Q: Is it considered a weed?
A: Yes, it is often classified as a weed due to its rapid growth and spread.
Quick Reference
| Family: | Amaranthaceae |
| Care: | very easy |
| Light: | full sun to partial shade |
| Water: | every 3–5 days during active |
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