Forget-me-not
myosotis macrosperma
Also known as: ["Scorpion grass","True love"]
Overview
A small, herbaceous flowering plant native to North America, known for its small, bright blue flowers and delicate foliage.
Benefits & Perks
["long-flowering","wildlife attractant (bees, butterflies, birds)","shade tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Boraginales |
| Family: | Boraginaceae |
| Genus: | Myosotis |
| Botanical Name: | Myosotis macrosperma |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: shaded garden bed or container in a cool, moist environment
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–25°C"}
- Hardiness: {"zones":"6–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining potting mix with added perlite or sand for aeration.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually or after flowering; light pruning can be done as needed.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; adjust for seasonal light changes.
Sunlight Tolerance Tips:
Acclimate plants gradually to direct sunlight; protect from intense midday sun; place indoors during extreme weather.
Care Requirements
Care Difficulty
easymoderate
Sunlight
partial shade to full shade
Rotate plant weekly; use sheer curtains for filtered light; avoid south-facing windows in summer.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly but infrequently; ensure proper drainage; avoid wetting foliage.
Soil
well-draining, humus-rich soil
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid heavy clay soils; test soil pH annually.
Temperature
Prefers 60–75°F (15–24°C); cooler temperatures in winter promote dormancy.
Avoid sudden temperature changes; protect from frost; maintain consistent indoor temperatures.
Fertilizing
every 4–6 weeks during active growth (spring and summer)
Fertilize after watering; flush soil occasionally to prevent salt buildup; stop fertilizing in fall.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Keep moist.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity, indirect light, and warm temperatures (65–75°F).
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 2–4 weeks; new growth appears in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy parent plants; maintain consistent moisture; provide bottom heat for faster rooting.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node; remove spent flowers to encourage reblooming.
Pruning Plan
Remove dead or leggy stems to encourage bushier growth; prune after flowering to maintain shape.
Tools
Clean pruning shears or scissors.
Checklist
Sanitize tools; prune dead or damaged stems; shape the plant; dispose of clippings.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot 1–2 inches larger in diameter than the current one.
Method
Remove plant gently; trim roots if necessary; place in a new pot with fresh soil; water lightly.
Suggestions
Repot every 1–2 years or when roots outgrow the pot; beneficial for growth and health.
Checklist
Prepare new pot; loosen roots; add fresh soil; water; place in appropriate light.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; avoid overwatering.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.
Watering Schedule Tips
Water deeply when the top inch of soil is dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate organic matter like compost for fertility.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in extreme heat or cold.
Cold Stress
Slows growth, causes leaf discoloration, and may lead to root damage in freezing temperatures.
Solution: Move to a warmer location; insulate pots; avoid cold drafts.
Hot Stress
Leaves may scorch, wilt, or drop; growth may slow due to excessive heat.
Solution: Provide shade; increase humidity; water more frequently during heatwaves.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to moist soil; avoid contact with leaves.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats are also susceptible to the pyrrolizidine alkaloids in Myosotis macrosperma, which can cause mild gastrointestinal distress and potential liver issues. The toxicity is generally low but should be monitored.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicIn dogs, ingestion of Myosotis macrosperma can lead to mild gastrointestinal upset and potential liver toxicity due to pyrrolizidine alkaloids. The effects are generally not severe but can be problematic in large quantities or with repeated exposure.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicMyosotis macrosperma, commonly known as a forget-me-not, contains pyrrolizidine alkaloids which can cause liver damage upon ingestion. The toxicity is generally mild but can be cumulative with repeated exposure.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: How often should I water Myosotis macrosperma?
A: Water regularly to keep the soil consistently moist, but avoid waterlogging.
Q: Does Myosotis macrosperma attract wildlife?
A: Yes, it attracts bees, butterflies, and birds due to its nectar-rich flowers.
Q: Is Myosotis macrosperma toxic to pets?
A: No, it is non-toxic to dogs and cats.
Quick Reference
| Family: | Boraginaceae |
| Care: | easy |
| Light: | partial shade to full shade |
| Water: | every 7–10 days, allowing so |
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