Jack-go-to-bed-at-noon

tragopogon pratensis

Also known as: ["Goat's beard","Yellow salsify"]

Family: Asteraceae Genus: Tragopogon Category: Flowers

Overview

A herbaceous biennial or perennial plant with yellow flowers that close in the afternoon, native to Europe and parts of Asia.

Benefits & Perks

["long-flowering","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Tragopogon
Botanical Name: Tragopogon pratensis

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: garden bed or border in open, sunny areas
  • Suitable For:
    Beginners Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–30°C"}
  • Hardiness: {"zones":"4–9"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Moderately well-draining.
  • Soil Type: Loamy, fertile soil with good organic matter.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: moderate
  • Pruning Frequency: As needed; after flowering; annually in late autumn.
  • Pruning Intensity: Light to moderate.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours/day); tolerates partial shade in hot climates.

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh afternoon sun in summer; ensure adequate ventilation if grown indoors.

Warning Signs: Yellowing leaves, stunted growth, or waterlogging indicate poor soil conditions.

Care Requirements

Care Difficulty
easy

easy

Sunlight

full sun to partial shade

Rotate plants for even light exposure; use sheer curtains to filter intense sun; avoid placing near heat sources.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid wetting foliage.

Soil

well-drained, fertile loam

pH: Slightly acidic to neutral (6.0–7.0).

Mulch to retain moisture; avoid compacting soil; test pH annually.

Temperature

Cool to moderate temperatures (60–75°F/15–24°C); prefers cooler nights.

Monitor nighttime temperatures; adjust watering with temperature changes; protect from sudden temperature swings.

Fertilizing

every 4–6 weeks during spring and summer

Apply fertilizer after watering; stop feeding in late autumn; use organic options for gentle nutrition.

Propagation

Methods

Seed propagation; division of clumps in early spring.

Step-by-Step Propagation Guide
  1. Sow seeds shallowly.
  2. Keep moist.
  3. Thin seedlings.
  4. Divide clumps.
  5. Replant divisions.

Best Time: Early spring or autumn for seeds; early spring for division.

Environment

Warm (65–70°F/18–21°C), bright indirect light, moderate humidity.

Medium

Well-draining seed starting mix or garden soil for division.

Hormone

Not required for seeds; optional for division to encourage root growth.

Timeline

Seeds germinate in 2–3 weeks; division establishes in 1–2 months.

Tools Needed

Seed trays, trowel, pruners, watering can.

Quick Tips

Sow seeds in groups; space divisions adequately; protect young plants from pests.

Pruning & Repotting

Pruning Guide
Method

Deadheading by pinching or snipping; cutting back old growth with clean cuts.

Pruning Plan

Minimal pruning; remove spent flowers to encourage reblooming; trim dead foliage in autumn.

Tools

Hand pruners, scissors.

Checklist

Check for dead/damaged foliage; use clean tools; dispose of clippings.

Repotting Guide
Best Season

Early spring before active growth begins.

Pot Size

One size up; ensure pot has drainage holes.

Method

Gently remove plant; trim roots if crowded; replant in fresh soil with good drainage.

Suggestions

Not typically required for outdoor plants; container-grown plants may need repotting every 2–3 years.

Checklist

Check root health; prepare new pot; use fresh soil; water lightly after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wetting leaves.

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 early in the day to minimize evaporation.

Pro Tip: Use a watering can with a narrow spout to direct water to the roots without disturbing the soil surface.
Watering Schedule Tips

Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add compost or well-rotted manure; incorporate perlite for drainage; avoid heavy clay amendments.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, stunted growth, or premature flowering.

Cold Stress

Slows growth, may cause leaf damage or dieback in prolonged frost.

Solution: Provide frost protection (e.g., row covers); plant in sheltered locations; avoid overwatering in cold conditions.

Hot Stress

Leaf scorch, wilting, reduced flowering, or heat-induced dormancy.

Solution: Provide shade during peak heat; increase watering; mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to soil; rinse tools after use.

Fertilizing Method

Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during active growth; avoid fertilizing in winter.

Common Problems & Solutions

Yellowing of leaves in Tragopogon pratensis can indicate nutrient deficiencies, water stress, or disease, potentially affecting photosynthesis and overall plant health.

Wilting in Tragopogon pratensis may result from water stress, root damage, or pathogen infection, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Tragopogon pratensis are typically caused by fungal or bacterial pathogens, leading to reduced photosynthetic efficiency and potential leaf loss.

Rotting, particularly root or stem rot, in Tragopogon pratensis is often caused by fungal pathogens or excessive moisture, which can lead to decay and plant death.

Toxicity Warning

Cats
Non-toxic

Tragopogon pratensis is not considered toxic to cats. The plant lacks compounds that are known to be harmful to felines. However, ingestion in large quantities may cause mild gastrointestinal discomfort.

⚠️ Symptoms:
mild stomach upset gas
🌿 Toxic Parts:
roots leaves flowers
⚡ Toxic If:

if eaten

While meadow salsify is not toxic to cats, excessive consumption may lead to mild digestive issues. If symptoms persist, seek veterinary advice.
Dogs
Non-toxic

Tragopogon pratensis is not considered toxic to dogs. The plant does not contain known toxic compounds that would harm canines. However, ingestion in large amounts may lead to mild digestive issues due to its fibrous nature.

⚠️ Symptoms:
mild stomach upset gas
🌿 Toxic Parts:
roots leaves flowers
⚡ Toxic If:

if eaten

Monitor your dog if they consume meadow salsify, but it is not expected to cause serious harm. If digestive issues persist, consult a veterinarian.
Humans
Non-toxic

Tragopogon pratensis, commonly known as meadow salsify, is generally considered non-toxic to humans. However, ingestion in large quantities may cause mild gastrointestinal discomfort due to its high fiber content and potential for causing gas. The plant does not contain significant toxic compounds that would pose a serious health risk.

⚠️ Symptoms:
mild stomach discomfort gas bloating
🌿 Toxic Parts:
roots leaves flowers
⚡ Toxic If:

if eaten in large quantities

While meadow salsify is not toxic, it should be consumed in moderation to avoid potential gastrointestinal upset. Ensure proper identification before consumption to avoid confusion with similar-looking toxic plants.

Frequently Asked Questions

Q: Is Tragopogon pratensis toxic to pets?

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

Q: What is the common name for Tragopogon pratensis?

A: It is commonly known as Jack-go-to-bed-at-noon or Goat's beard.

Q: Does this plant attract wildlife?

A: Yes, it attracts bees, butterflies, and birds.

Quick Reference
Family: Asteraceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["beginners","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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