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Oxalis tetraphylla - Iron Cross Shamrock

Ed's Plant Shop  |  SKU: EDOXALISIRONCROSS4IN

Size
$28.00
Taxes, discounts and shipping calculated at checkout.

Description

Iron Cross Oxalis (Oxalis tetraphylla) – A Lucky Plant With Bold Style

Add a touch of good fortune and one-of-a-kind foliage to your space with the Iron Cross Oxalis. This compact, four-leaf stunner features bright green leaves marked by a deep burgundy cross, paired with charming pink blooms that pop against its vibrant foliage. Easy to grow and loved by collectors, it’s a perfect accent for both indoor containers and outdoor garden beds.

Whether you're gifting for good luck or just love unique plants, Oxalis tetraphylla delivers visual impact, personality, and low-maintenance care.


Plant Profile

  • Scientific Name: Oxalis tetraphylla (syn. O. deppei)
  • Common Names: Iron Cross, Good Luck Plant, Wood Sorrel
  • Family: Oxalidaceae
  • Native To: Mexico
  • Toxicity: Mildly toxic to pets if ingested in quantity due to oxalates; safe for humans in moderation

Iron Cross Oxalis Care Guide

  • Light: Prefers bright indirect light to full sun; tolerates partial shade.
  • Water: Allow the top inch of soil to dry between waterings; water less in winter during dormancy.
  • Soil: Well-draining soil with a slightly acidic pH (5.5 - 6.5) is ideal.
  • Humidity: Moderate (40–60%)
  • Temperature: Thrives in 60-75°F (15-24°C). Protect from frost.
  • Feeding: Use a balanced, water-soluble fertilizer (10-10-10 or 20-20-20) monthly during the growing season.
  • Propagation: Easily propagated by dividing bulbs/corms.
  • Pests: Generally resilient but may attract aphids, spider mites, or mealybugs.
  • Toxicity: Mildly toxic to pets if ingested in large amounts due to oxalates. Edible for humans in moderation.

Why Plant Lovers Adore It

  • Eye-catching four-leaf foliage with rich burgundy centers
  • Symbol of good luck and prosperity
  • Easy-care, adaptable, and compact — perfect for apartments and small spaces
  • Makes a meaningful gift for housewarmings, new beginnings, or just because

History: A Cultivar Rooted in Mexico

Native to Mexico, Iron Cross Oxalis was introduced to the horticultural world in the late 19th century and quickly gained popularity for its distinctive foliage and ornamental appeal. Over time, it became a beloved addition to both gardens and indoor spaces, thriving in containers, hanging baskets, and shaded landscapes.


Want Expert Tips?

Check out our comprehensive Oxalis Care Guide to get in-the-know about our favorite tips, tricks, and techniques on how to keep your lucky shamrocks happy as can be!

Live Plants – Frequently Asked Questions

Shipping

What will I receive?

You’ll receive one healthy live plant in the nursery-pot or hanging-basket size selected above. The listed size refers to the approximate diameter of the nursery pot, not the plant’s total height or width.

Because every plant is naturally unique, height, fullness, leaf count, coloration, variegation, vine length, maturity, and overall shape may differ from the photographs.

Unless the product listing specifically states otherwise, plants arrive in a standard nursery grow pot. Decorative planters, baskets, saucers, stands, and other accessories are sold separately.

When will my plant ship or be delivered?

Please allow approximately 10–15 business days for processing and preparation. Ten business days is the earliest end of the range, and many orders require most or all of the stated processing window.

Processing time is separate from carrier transit time. Local NYC delivery also requires preparation and does not automatically mean same-day or next-day service.

Orders may occasionally require additional time because of plant availability, order volume, weather, seasonal demand, or courier coordination. We will send an update when confirmed fulfillment, tracking, or delivery information becomes available.

How are live plants packaged?

Each live plant is inspected and packed according to its size, shape, and shipping needs. Soil and foliage may be secured to reduce movement during transit, and protective materials may be added when appropriate.

Temporary drooping, shifted soil, limited leaf loss, or minor cosmetic stress can occur while a plant adjusts after shipping. This does not necessarily mean the plant is unhealthy.

What should I do when my plant arrives?

Unpack the plant promptly and carefully remove all protective packaging. Place it in appropriate light and allow it time to adjust to its new environment.

Check the soil before watering. Do not water automatically upon arrival because the plant may already have adequate moisture. Avoid immediately fertilizing, heavily pruning, or repeatedly moving the plant while it acclimates.

Should I repot my plant immediately?

We generally recommend allowing a newly delivered plant time to acclimate before repotting unless there is an urgent plant-health reason to do so.

Repotting an eligible small plant during the first 15 days may void the Plant Health Guarantee because it can make the cause of decline difficult to determine.

What should I do if my plant arrives damaged?

Report shipping or delivery damage within 48 hours. Keep the plant and all packaging while the concern is being reviewed.

Please provide your order number, a photograph of the entire plant, close-up photographs of the concern, and photographs of the box and packaging when applicable.

Small plants in nursery pots measuring 8 inches and below may also qualify for our 15-Day Plant Health Guarantee. Large plants in nursery pots measuring 10 inches and above have a 48-hour inspection and reporting window.

Review our Refund & Returns Policy for complete eligibility and documentation requirements.

How can I get help with my order or plant?

For the fastest assistance, use the AI chat assistant on our website. It can help with common order-status, delivery, policy, product, and plant-care questions.

Have your order number and the email address used at checkout available when asking about an order. When a concern requires photographs or human review, email support@edsplantshop.com.