๐Ÿซ’Mediterranean

Sea Squill

Urginea maritima

About Sea Squill

Sea Squill (Urginea maritima) is a herb used in the Mediterranean tradition to help with Heart Health, Cough, Edema, and Respiratory Issues. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Drimia maritima (syn. Urginea maritima) is a species of flowering plant in the family Asparagaceae, subfamily Scilloideae (formerly the family Hyacinthaceae). This species is known by several common names, including squill, sea squill, sea onion, and maritime squill. It may also be called red squill, particularly a form which produces red-tinged flowers instead of white. It is native to southern Europe, western Asia, and northern Africa.

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts ยท internalLeaves ยท internal
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Tea / Infusion

1โ€“3 cups daily
  • Steep 1โ€“2 tsp of dried Sea Squill in freshly boiled water for 5โ€“10 minutes.
  • Cover while steeping.
  • Strain and drink.
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Tincture

20โ€“40 drops in water, 2โ€“3ร— daily
  • Pack dried Sea Squill into a jar and cover with 40โ€“60% alcohol.
  • Seal and steep for 4โ€“6 weeks, shaking daily.
  • Strain and store in a dark dropper bottle.
๐Ÿ’Š

Powder / Capsule

500 mg โ€“ 1 g, 1โ€“3ร— daily
  • Grind dried Sea Squill into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.
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Steam Inhalation

1โ€“2ร— daily during acute symptoms
  • Add 2โ€“3 tbsp of Sea Squill to a bowl of just-boiled water.
  • Drape a towel over your head and inhale steam for 5โ€“10 minutes.

Pregnancy, Breastfeeding & Children

No herb-specific pregnancy/child safety research is documented for Sea Squill in our references โ€” the guidance below is based on its general effect category, not research on Sea Squill itself. Always confirm with a midwife, doctor, or pediatrician.

Pregnancy

Use Caution

This herb may affect blood pressure. Since blood pressure changes are a significant pregnancy risk factor (e.g. preeclampsia), herbs in this category are generally used only under medical supervision rather than self-directed โ€” this is a general, mechanism-based caution, not herb-specific research.

Breastfeeding

Use Caution

Generally used cautiously during breastfeeding, particularly if the nursing parent is also on blood pressure medication.

Children

Use Caution

Blood-pressure-active herbs are generally used cautiously in children and typically only under pediatric guidance.

Contraindications

  • Pre-surgery โ€” discontinue at least 2 weeks prior (potential antiplatelet effect)
  • Significant kidney impairment โ€” diuretic herbs may worsen renal function

Warnings

โ›” Heart & Blood Pressure Medications

May interact with antihypertensive drugs, blood thinners, or cardiac medications. Do not combine without medical guidance.

โš ๏ธ Kidney Disease

Some diuretic herbs are contraindicated in those with kidney disease. Consult your doctor if you have impaired kidney function.

โš ๏ธ Allergic Reactions

Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.

โš ๏ธ Not Medical Advice

This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.

Drug & herb interactions

May affect blood pressure

Watch for: Antihypertensive medications (ACE inhibitors, beta-blockers, calcium channel blockers, diuretics)

Combined use can push blood pressure too high or too low โ€” monitor readings if you take blood pressure medication.

May thin the blood

Watch for: Anticoagulants (warfarin), antiplatelets (aspirin, clopidogrel), and other blood-thinning herbs or supplements (ginkgo, garlic, fish oil, vitamin E)

Combining blood-thinning substances can increase bleeding risk, including before surgery or dental work.

May have a diuretic effect

Watch for: Diuretic medications and lithium

Additive fluid loss can affect electrolyte balance and change how the body clears lithium.

Where to find in nature

Native region

Southern Europe, North Africa, Middle East

Climate

Mediterranean โ€” hot dry summers, mild wet winters

Habitat

Rocky hillsides, coastal scrubland, olive groves, and herb gardens around the Mediterranean basin

๐ŸŒฟ To see Sea Squill growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier โ€” never consume a plant you are not 100% certain of.

Where to buy

In store

  • Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
  • Naturopathic clinics and integrative medicine practices
  • Specialist herbal apothecaries and herbalist practices
  • Farmers markets with herb vendors

Online

iHerb

Wide selection of standardised extracts, capsules, and powders with lab testing

Mountain Rose Herbs

Premium bulk dried herbs โ€” certified organic, ethically sourced

Starwest Botanicals

Large selection of certified organic bulk herbs and powders

Herb Pharm

High-quality liquid extracts and tinctures, rigorous quality standards

Amazon

Convenient โ€” verify brand certifications and check third-party testing

Etsy

Small-batch artisan herbalists, hand-harvested and wildcrafted herbs

Quality tips

When buying Sea Squill, look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products โ€” quality varies enormously.