Sea Pea (Lotus maritimus)

Sea Pea

Lotus maritimus

Its clusters of pink blooms nod over coastal sands, a hardy coastal gem. Herbaceous perennial legume; common name: Sea Pea.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun exposure required for optimal flowering; tolerates coastal salt spray and windy conditions
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Watering Water deeply when top 2 cm of soil is dry; avoid waterlogging in heavy, non-draining soil
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Temperature Hardy to freezing temperatures; withstands cool coastal summers and mild winter conditions
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Characteristics

  • Leaf: Compound pinnate leaves with 5–7 oval, fleshy leaflets adapted to coastal moisture retention
  • Flower: Dense racemes of pink to pale purple pea-like blooms, 1–2 cm wide
  • Stem: Trailing succulent stems that root at nodes in sandy substrate
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Keep soil slightly moist during active growth

Fertilization

Diluted organic feed once every 6 weeks. Use low-nitrogen feed to prioritize flower production over foliage growth

Eggshell powder topdress:Crush dried eggshells into fine powder; lightly mix into topsoil to add calcium without altering soil pH
Pruning
  • Deadhead spent blooms to extend the flowering period
  • Trim back leggy stems in early spring to encourage compact, trailing growth
  • Remove damaged or diseased foliage to maintain plant health and airflow
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Pet & Human Toxicity & Emergency Guide

🟢 Pet-Safe (Non-Toxic to Cats & Dogs)

Pet Safety Verified: According to clinical veterinary databases (ASPCA), Sea Pea (Lotus maritimus) is non-toxic to both cats and dogs, making it an excellent choice for pet-friendly homes.

Pet Tolerance

Leaves, stems, and flowers contain no systemic toxins or hazardous oxalates; safe for curious puppies and kittens.

Mild Fiber Sensitivity

While non-toxic, excessive consumption of fibrous leaves may cause mild, temporary stomach upset or regurgitation.

Recommended Placement

Safe for low tables, living rooms, and active pet environments.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Sea Pea (Lotus maritimus):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Sea Pea?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Sea Pea?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Sea Pea toxic to pets?

ASPCA: Non-toxic to cats

When should I repot my Sea Pea?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: N/A

Usage: Coastal erosion control; ornamental ground cover for sandy gardens

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