Licorice Mint, Sunset Hyssop
agastache rupestris
Also known as: ["Licorice Mint","Desert Hyssop","Rock Sage"]
Overview
A drought-tolerant perennial herb native to the southwestern United States and Mexico, known for its fragrant, licorice-scented foliage and spikes of tubular flowers that attract pollinators.
Benefits & Perks
["fragrant flowers","drought tolerant","wildlife attractant (bees, butterflies, birds)","deer resistant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Agastache |
| Botanical Name: | Agastache rupestris |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: raised garden bed or container in a sunny, well-ventilated area
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–35°C"}
- Hardiness: {"zones":"5–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent root rot.
- Soil Type: Well-draining, sandy, or loamy soil with some organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: Light pruning after flowering; more intensive pruning in early spring.
- Pruning Intensity: Moderate; remove up to one-third of growth in spring if overgrown.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day) with bright, direct light; tolerates partial shade in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense sun; protect from harsh afternoon sun in hot regions; ensure good air circulation.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even light; use sheer curtains in intense sun; avoid shaded spots.
Watering
every 7–10 days, allowing soil to dry between waterings
Water at the base to avoid foliage wetting; ensure soil dries between waterings; adjust frequency based on season and weather.
Soil
well-draining, sandy or loamy soil with low organic matter
pH: Slightly alkaline to neutral (pH 6.5–7.5).
Ensure pots have drainage holes; avoid heavy clay soils; amend with grit if needed.
Temperature
Prefers 60–85°F (15–29°C); thrives in warm, dry conditions; tolerates mild frosts.
Protect from frost; avoid sudden temperature swings; ensure good air circulation.
Fertilizing
every 4–6 weeks during active growth with a balanced, diluted fertilizer
Fertilize lightly; avoid high-nitrogen formulas; stop in late summer to prepare for dormancy.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take 4–6 inch cuttings.
- Remove lower leaves.
- Dip in hormone.
- Plant in medium.
- Keep moist and warm.
Best Time: Late spring or early summer when new growth is vigorous.
Environment
Warm (70–75°F), high humidity (70–80%), and bright indirect light.
Medium
Well-draining mix of perlite and peat moss or cactus mix.
Hormone
Recommended to use rooting hormone for faster root development.
Timeline
Roots in 3–6 weeks; establish in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy, non-flowering stems; maintain humidity with a plastic cover; avoid direct sun.
Pruning & Repotting
Pruning Guide
Method
Deadhead spent flowers; shear lightly for shape; cut back hard in spring.
Pruning Plan
Prune to maintain shape, encourage bushiness, and remove spent flowers for continuous blooming.
Tools
Pruning shears, gloves, clean blades.
Checklist
Clean tools; prune dead/damaged stems; shape as needed; sanitize after use.
Repotting Guide
Best Season
Early spring before active growth begins.
Pot Size
Move to a pot 1–2 inches larger in diameter; avoid oversized pots.
Method
Use fresh, well-draining soil; tease out tangled roots; ensure drainage holes are clear.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for growth and drainage.
Checklist
Prepare new pot; trim roots if needed; use fresh soil; water lightly 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 thoroughly until it drains from the bottom, ensuring root zone saturation. Water early in the day to minimize evaporation and fungal issues.
Watering Schedule Tips
Water deeply but infrequently, allowing soil to dry out between waterings. Reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or browning in extreme heat; stunted growth or root rot in cold, wet conditions.
Cold Stress
Slows growth; may die back in hard freezes; susceptible to root rot in cold, damp soil.
Solution: Mulch heavily in winter; move containers indoors; avoid overwatering in cold weather.
Hot Stress
Leaf scorch, wilting, or reduced flowering in extreme heat; may require temporary shade.
Solution: Provide afternoon shade; increase watering; use mulch to retain soil moisture.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during active growth; avoid winter feeding.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicAgastache rupestris is not known to be toxic to cats. It is generally considered safe for cats to consume in small quantities.
⚡ Toxic If:
if eaten
Dogs
Non-toxicAgastache rupestris is not known to be toxic to dogs. It is generally considered safe for dogs to consume in small quantities.
⚡ Toxic If:
if eaten
Humans
Non-toxicAgastache rupestris is not known to exhibit toxic effects in humans. It is generally considered safe for consumption and is often used in culinary applications and herbal teas.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: How often should I water Agastache rupestris?
A: Water sparingly, allowing the soil to dry out between waterings. Overwatering can lead to root rot.
Q: Does Agastache rupestris attract pollinators?
A: Yes, its fragrant flowers are highly attractive to bees, butterflies, and hummingbirds.
Q: Can Agastache rupestris be grown in containers?
A: Yes, it thrives in well-draining containers and can be grown on patios or balconies.
Quick Reference
| Family: | Lamiaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days, allowing so |
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