Globe Amaranth
gomphrena globosa
Also known as: ["Bachelor's Button","Globe Flower"]
Overview
A compact annual plant known for its globe-shaped, clover-like flowers that retain their color even after drying.
Benefits & Perks
["long-flowering","drought tolerant","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Amaranthaceae |
| Genus: | Gomphrena |
| Botanical Name: | Gomphrena globosa |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: outdoor garden bed in full sun or container in a sunny spot
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"15–35°C"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogged roots.
- Soil Type: Well-draining, loamy soil with added organic matter; cactus or succulent mix works well.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: Light pruning every 4–6 weeks during the growing season; deadheading flowers as they fade.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary to control size.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); tolerates partial shade in hot climates.
Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh afternoon sun in hot regions; ensure adequate light indoors with supplemental grow lights if needed.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun
Rotate plants for even light exposure; use sheer curtains to filter intense sun; avoid placing in drafty areas.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly but allow soil to dry between waterings; avoid overhead watering to prevent fungal issues.
Soil
well-draining, loamy soil with moderate organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use raised beds for better drainage; avoid heavy clay soils; amend with organic matter for nutrients.
Temperature
Prefers warm temperatures (65–85°F or 18–29°C); thrives in heat but may struggle below 50°F (10°C).
Protect from frost; ensure good air circulation; adjust watering based on temperature fluctuations.
Fertilizing
every 4–6 weeks during active growth with balanced liquid fertilizer
Apply fertilizer after watering to prevent root burn; stop fertilizing when blooms appear to encourage flowering.
Propagation
Methods
Stem cuttings; seeds can also be used but may result in variable traits.
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 with perlite or sand; can also root in water.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots develop in 2–3 weeks; new growth appears in 4–6 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining mix.
Quick Tips
Use healthy, non-flowering stems; maintain high humidity with a plastic bag; avoid direct sunlight.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; cut above a leaf node to promote new growth.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove spent flowers to prolong blooming.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Use clean tools; prune in early morning; remove dead or diseased parts; shape as desired.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Increase pot size by 1–2 inches in diameter; avoid oversized pots.
Method
Remove plant gently; trim any circling roots; place in a slightly larger pot with fresh, well-draining soil; water thoroughly.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for container-grown plants to refresh soil and provide space.
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 deeply; ensure proper drainage; adjust frequency seasonally.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; water early in the day 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 sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Chlorosis (yellowing leaves) in cold stress; wilting or leaf drop in extreme heat.
Cold Stress
Low temperatures slow growth and can cause root damage or death; may enter dormancy.
Solution: Move potted plants indoors or to a sheltered location; use frost cloth for outdoor plants; avoid overwatering in cold conditions.
Hot Stress
Excessive heat can lead to wilting, flower drop, and reduced vigor; may require more frequent watering.
Solution: Provide afternoon shade; increase watering frequency; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use balanced fertilizer; dilute properly; fertilize during active growth; avoid winter feeding.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during the growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicGomphrena globosa is not considered toxic to cats. There are no documented cases of toxicity in felines from exposure to this plant.
⚡ Toxic If:
Generally non-toxic
Dogs
Non-toxicGomphrena globosa is not considered toxic to dogs. There are no documented cases of toxicity in canines from exposure to this plant.
⚡ Toxic If:
Generally non-toxic
Humans
Non-toxicGomphrena globosa is not considered toxic to humans under normal circumstances. It is commonly used in floral arrangements and gardens without reported adverse effects.
⚡ Toxic If:
Generally non-toxic
Frequently Asked Questions
Q: How do I care for Globe Amaranth?
A: Globe Amaranth thrives in full sun and well-drained soil. Water moderately and deadhead spent flowers to encourage continuous blooming.
Q: Is Globe Amaranth toxic to pets?
A: No, Globe Amaranth is non-toxic to dogs and cats.
Q: Can Globe Amaranth be used in dried flower arrangements?
A: Yes, the flowers retain their color when dried, making them excellent for everlasting arrangements.
Quick Reference
| Family: | Amaranthaceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 7–10 days, allowing so |
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