Large-flowered Calamint
clinopodium grandiflorum
Also known as: ["Calamintha grandiflora","Satureja grandiflora"]
Overview
A perennial herbaceous plant in the mint family, known for its large, fragrant flowers and aromatic foliage.
Benefits & Perks
["fragrant flowers","wildlife attractant (bees, butterflies, birds)","drought tolerant","medicinal use"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Clinopodium |
| Botanical Name: | Clinopodium grandiflorum |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: border plantings or rock gardens in temperate climates
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"7–10"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Every 2–3 months during active growth; lightly prune after flowering.
- Pruning Intensity: Moderate; remove up to one-third of growth if needed to rejuvenate the plant.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; can tolerate some direct morning sun but avoid harsh afternoon sun.
Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense midday sun; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even growth; use sheer curtains to filter intense light; move outdoors in spring/summer for stronger light.
Watering
every 7–10 days during active growth, reduce in winter
Water deeply but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
well-draining, loamy soil with some organic matter
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil, perlite, and compost; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers 65–75°F (18–24°C); can tolerate cooler temperatures down to 50°F (10°C) but avoid frost.
Avoid sudden temperature changes; protect from drafts; maintain consistent warmth during active growth.
Fertilizing
every 4–6 weeks during growing season, none in winter
Fertilize only during active growth; flush soil occasionally to prevent salt buildup; use a balanced formula.
Propagation
Methods
Stem cuttings in spring or early summer.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone.
- 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.
Hormone
Rooting hormone is optional but recommended for faster rooting.
Timeline
Roots develop in 2–4 weeks; new growth appears in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining mix.
Quick Tips
Use healthy, non-flowering stems; keep cuttings out of direct sun; maintain humidity with a plastic bag.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips for bushier growth; cut just above a leaf node or bud.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or leggy stems.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sanitize tools; prune in early morning; remove dead/damaged growth; shape evenly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size larger pot (e.g., +2 inches in diameter); ensure good drainage.
Method
Remove plant gently; trim roots if crowded; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and soil refreshment.
Checklist
Choose appropriate pot; prepare fresh soil mix; handle roots carefully; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain freely; water in the morning to reduce evaporation.
Watering Schedule Tips
Water thoroughly when the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure aeration with organic matter.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in cold; scorching or leaf burn in excessive heat.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root damage if temperatures drop below 50°F (10°C).
Solution: Move to a warmer location; provide insulation if outdoors; avoid cold drafts.
Hot Stress
Leaves may wilt, curl, or develop brown edges; growth may slow due to excessive transpiration.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with foliage.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicClinopodium grandiflorum is not known to be toxic to cats. It does not typically cause adverse effects when ingested or handled.
⚡ Toxic If:
Generally non-toxic
Dogs
Non-toxicClinopodium grandiflorum is not known to be toxic to dogs. It does not typically cause adverse effects when ingested or handled.
⚡ Toxic If:
Generally non-toxic
Humans
Non-toxicClinopodium grandiflorum is not known to exhibit toxic effects in humans under normal conditions. It is generally considered safe for consumption and handling.
⚡ Toxic If:
Generally non-toxic
Frequently Asked Questions
Q: Is Clinopodium grandiflorum edible?
A: Yes, its leaves and flowers are edible and can be used in culinary dishes for their minty flavor.
Q: Does this plant attract pollinators?
A: Yes, it is highly attractive to bees, butterflies, and other pollinators due to its fragrant flowers.
Q: How often should it be watered?
A: Water moderately, allowing the soil to dry slightly between waterings; it is drought-tolerant once established.
Quick Reference
| Family: | Lamiaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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