Tall Forget-me-not

myosotis scorpioides

Also known as: ["Water Forget-me-not","Scorpion Grass"]

Family: Boraginaceae Genus: Myosotis Category: Flowers

Overview

A perennial herbaceous plant native to Europe and Asia, known for its small blue flowers and creeping habit.

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 scorpioides

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: moist garden beds or near water features
  • Suitable For:
    Beginners Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–25°C"}
  • Hardiness: {"zones":"6–9"}
  • Misting: every 2–3 days in dry climates
  • Drainage: Moderately well-draining; soil should retain moisture but not stay waterlogged.
  • Soil Type: Moist, fertile, well-draining soil with organic matter; peat-based mixes work well.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: As needed during the growing season; deadhead regularly to encourage reblooming.
  • Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary to control size.
Care Details

Ideal Sunlight Coverage:
Partial shade to full shade; tolerates bright indirect light but prefers protection from harsh afternoon sun.

Sunlight Tolerance Tips:
Acclimate plants gradually to outdoor light; protect from direct sun to prevent scorching; ideal for shaded garden beds or containers in partial shade.

Warning Signs: Yellowing leaves, wilting despite moist soil, or stunted growth indicate poor soil conditions or improper care.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

partial shade to full sun

Avoid direct sunlight; provide dappled light; rotate pots for even growth.

Watering

every 3–5 days during active growth, reduce in winter

Water thoroughly when top inch of soil feels dry; ensure good drainage to prevent root rot; avoid letting soil dry out completely.

Soil

moist, rich, well-drained soil

pH: Acidic to neutral (pH 5.5–7.0).

Keep soil consistently moist; ensure good drainage; enrich with organic matter annually.

Temperature

Cool to moderate temperatures (50–70°F or 10–21°C); prefers cooler conditions, especially at night.

Keep away from heat sources; maintain cool nights; protect from frost.

Fertilizing

every 4–6 weeks during growing season

Apply fertilizer after watering to prevent root burn; use a low-nitrogen formula for flowering plants; flush soil occasionally to prevent salt buildup.

Propagation

Methods

Stem cuttings or division; stem cuttings are more common for home growers.

Step-by-Step Propagation Guide
  1. Take 3–4 inch cuttings below a node.
  2. Remove lower leaves.
  3. Dip in rooting hormone (optional).
  4. Plant in moist medium.
  5. Maintain humidity.

Best Time: Spring or early summer when the plant is actively growing.

Environment

High humidity (70–90%), indirect light, and consistent warmth (65–75°F or 18–24°C).

Medium

Peat-based potting mix with perlite for drainage.

Hormone

Rooting hormone is optional but can improve success rates.

Timeline

Roots typically form in 2–4 weeks; new growth may appear in 6–8 weeks.

Tools Needed

Pruning shears, rooting hormone, small pots, misting bottle.

Quick Tips

Use clean tools to prevent disease; maintain humidity with a plastic cover; keep out of direct sun.

Pruning & Repotting

Pruning Guide
Method

Pinch back stems or snip off spent flowers just above a leaf node.

Pruning Plan

Light pruning to maintain shape and encourage bushier growth; remove spent flowers to prolong blooming.

Tools

Clean pruning shears or sharp scissors.

Checklist

Use clean tools; prune after flowering; remove dead or damaged growth.

Repotting Guide
Best Season

Early spring before active growth begins.

Pot Size

One size larger pot (e.g., 2 inches wider in diameter).

Method

Gently remove plant; trim any circling roots; place in a slightly larger pot with fresh, well-draining soil; water thoroughly after repotting.

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; use fresh soil mix; water after repotting; place in shade for a few days to recover.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture daily; water thoroughly but infrequently; ensure drainage holes are clear.

How to Apply Water Properly

Water at the base of the plant, allowing water to soak into the root zone; water early in the day to minimize leaf wetness; ensure excess water drains away to prevent waterlogging.

Pro Tip: Use a watering can with a fine nozzle to avoid disturbing delicate foliage.
Watering Schedule Tips

Keep soil consistently moist, especially during active growth; reduce watering in winter dormancy.

Soil Improvement

Add compost or peat moss to improve moisture retention; incorporate perlite or sand for better drainage.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, or stunted growth in excessive heat; leaf drop or browning in cold stress.

Cold Stress

Low temperatures can cause leaf damage, slow growth, or dormancy; frost can be fatal.

Solution: Protect from frost with mulch or row covers; move potted plants indoors during cold snaps; avoid overwatering in cold conditions.

Hot Stress

Excessive heat can lead to wilting, leaf scorch, or reduced flowering; heat stress may cause plants to go dormant.

Solution: Provide shade during peak heat; increase humidity with misting; ensure consistent moisture but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; fertilize during growing season only; avoid contact with leaves.

Fertilizing Method

Use a balanced, water-soluble fertilizer diluted to half strength; fertilize every 4–6 weeks during active growth; avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Myosotis scorpioides may indicate nutrient deficiencies, overwatering, or pest infestations, which can impair photosynthesis and overall plant health.

Wilting in Myosotis scorpioides is often a sign of water stress, either due to drought or root issues, which can lead to reduced transpiration and nutrient uptake.

Leaf spots on Myosotis scorpioides may be caused by fungal or bacterial infections, resulting in reduced photosynthetic efficiency and potential defoliation.

Rotting, particularly root or stem rot, can occur in Myosotis scorpioides if the soil is waterlogged, leading to decay of plant tissues and potential death of the plant.

Toxicity Warning

Cats
Slightly Toxic

Cats are susceptible to gastrointestinal irritation and potential liver damage if they consume Myosotis scorpioides. The pyrrolizidine alkaloids in the plant can accumulate and cause harm over time.

⚠️ Symptoms:
vomiting diarrhea liver dysfunction
🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

Prevent cats from eating the plant. Seek veterinary care if ingestion is suspected.
Dogs
Slightly Toxic

Dogs may experience mild gastrointestinal upset if they ingest parts of Myosotis scorpioides. The pyrrolizidine alkaloids present can potentially lead to liver issues with chronic exposure.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

Keep pets from ingesting the plant. Contact a veterinarian if symptoms occur.
Humans
Slightly Toxic

Myosotis scorpioides, commonly known as water forget-me-not, contains pyrrolizidine alkaloids which can cause liver damage upon ingestion. The toxicity is generally mild but can be more severe with large quantities or prolonged exposure.

⚠️ Symptoms:
nausea vomiting abdominal pain liver damage
🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

Avoid ingestion. Wash hands after handling the plant.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Does Myosotis scorpioides require full sun?

A: It prefers partial shade to full shade and can tolerate full sun only if kept consistently moist.

Q: Is Myosotis scorpioides toxic to pets?

A: No, it is non-toxic to dogs and cats.

Q: How often should I water Myosotis scorpioides?

A: Water regularly to keep the soil consistently moist, especially during dry periods.

Quick Reference
Family: Boraginaceae
Care: easy
Light: partial shade to full sun
Water: every 3–5 days during active
Suitable For: ["beginners","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Sand Viper's Bugloss
View
Broadleaf Ehretia
View
Woodland Forget-Me-Not
View
Sand Viper's Bugloss
View