Yellow Whitlow-grass
draba aizoides
Also known as: ["Alpine Whitlow-grass","Yellow Draba"]
Overview
A small, cushion-forming perennial herb native to alpine regions, characterized by its bright yellow flowers and compact growth habit.
Benefits & Perks
["fragrant flowers","wildlife attractant (bees, butterflies, birds)","drought tolerant","rare/collector’s item"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Draba |
| Botanical Name: | Draba aizoides |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: rock gardens, alpine troughs, or containers with excellent drainage
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"0–30°C"}
- Hardiness: {"zones":"5–8"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining; must avoid water retention.
- Soil Type: Sandy, rocky, or gritty soil with low organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: high
- Pruning Frequency: As needed, typically every 6–12 months or after flowering.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours direct sunlight daily); tolerates partial shade in intense summer heat.
Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh midday sun in summer; ensure good air circulation to prevent sunburn.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun
Rotate plant for even light; use sheer curtains in summer; avoid sudden light changes.
Watering
every 2–3 weeks, allowing soil to dry completely between waterings
Water deeply but infrequently; avoid waterlogged soil; prioritize drainage over frequency.
Soil
well-draining, rocky, alkaline soil
pH: Slightly alkaline (pH 7.0–7.5).
Ensure soil dries quickly; avoid peat-based mixes; use mineral amendments for structure.
Temperature
Prefers cool temperatures (50–65°F / 10–18°C); tolerates mild frost but avoid prolonged freezing.
Protect from frost; avoid sudden temperature swings; maintain consistent cool conditions.
Fertilizing
rarely required, if used, apply a balanced liquid fertilizer monthly during active growth
Dilute fertilizer to half strength; apply to moist soil; flush soil occasionally to prevent buildup.
Propagation
Methods
Stem cuttings or division; seeds can also be used but are slower.
Step-by-Step Propagation Guide
- Take a healthy cutting.
- Let it callus for a day.
- Plant in moist medium.
- Keep humid until roots form.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm (65–75°F / 18–24°C), high humidity, and bright indirect light.
Medium
Well-draining mix like cactus soil with perlite or sand.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots develop in 3–6 weeks; new growth appears in 2–4 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use sterile tools; maintain humidity with a plastic cover; avoid overwatering.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node.
Pruning Plan
Light pruning to maintain shape and encourage bushier growth; remove dead or damaged stems.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sanitize tools; prune dead/damaged growth; shape as desired; dispose of clippings.
Repotting Guide
Best Season
Spring, before active growth begins.
Pot Size
One size up (e.g., from 4-inch to 6-inch pot); ensure good drainage.
Method
Remove plant gently; trim roots if needed; repot in fresh, well-draining soil with a slightly larger pot.
Suggestions
Repot only when root-bound or soil degrades; every 2–3 years is sufficient.
Checklist
Check root health; use fresh soil; ensure drainage holes; water lightly after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil dryness; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water directly at the root zone until water drains from the bottom, ensuring even moisture without saturation. Water in the morning to allow foliage to dry.
Watering Schedule Tips
Water sparingly, allowing soil to dry completely between waterings. Reduce watering significantly during winter dormancy.
Soil Improvement
Add coarse sand, perlite, or pumice to improve drainage; use limestone to adjust pH if needed.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in extreme heat; browning leaf edges in cold stress.
Cold Stress
Slows growth; may cause root rot if soil remains wet in cold conditions.
Solution: Ensure well-draining soil; move to a warmer location if temperatures drop below 40°F (4°C); avoid overwatering.
Hot Stress
Leaves may scorch or curl; growth may slow in excessive heat.
Solution: Provide afternoon shade; increase humidity; water early in the day to reduce evaporation.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid winter feeding.
Fertilizing Method
Use a balanced, diluted liquid fertilizer monthly during active growth (spring/summer); avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicDraba aizoides is not known to be toxic to cats. There are no documented cases of adverse effects in felines after ingestion.
⚡ Toxic If:
if eaten
Dogs
Non-toxicDraba aizoides is not known to be toxic to dogs. There are no documented cases of adverse effects in canines after ingestion.
⚡ Toxic If:
if eaten
Humans
Non-toxicDraba aizoides is not known to produce toxic compounds that are harmful to humans. The plant has no reported adverse physiological effects when ingested.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Draba aizoides suitable for rock gardens?
A: Yes, it thrives in alpine conditions and is well-suited for rock gardens.
Q: How often should Draba aizoides be watered?
A: It is drought-tolerant and requires minimal watering, especially in well-drained soil.
Q: Does Draba aizoides attract pollinators?
A: Yes, its bright yellow flowers attract bees and butterflies.
Quick Reference
| Family: | Brassicaceae |
| Care: | moderate |
| Light: | full sun |
| Water: | every 2–3 weeks, allowing so |
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