Shamrock Crochet Coaster Pattern – Overlay Mosaic Cup Coasters + Video Tutorial

Add a little lucky charm to your table with this crochet shamrock coaster pattern — a beautifully textured overlay mosaic design worked in flat rows from the right side only.

These small square shamrock crochet coasters are quick to make, satisfying to stitch, and perfect for St Patrick’s Day decorating — or for adding a subtle Irish touch all year round.

Whether you're searching for a crochet shamrock coaster, crochet cup coasters with texture, or learning how to crochet a shamrock using mosaic techniques, this pattern walks you through it step by step.

The shamrock motif is crisp, bold, and surprisingly easy to create using overlay mosaic crochet — even if you’re newer to the technique.

PLEASE NOTE — This listing is for a PDF pattern written in English, not finished coasters.

🍀 Pattern Features

• Finished Size: Approx. 4.25” square

• Technique: Overlay Mosaic Crochet

• Construction: Worked flat in rows (right side only)

• Optional Tassels: Add a decorative finishing touch

• Skill Level: Adventurous Beginner / Intermediate

• Stitches: US Terms

• Format: Instant PDF Download (11 pages) + Supporting Video Tutorial

• Language: English (US Terms)

🧶  Finished Size (approx.)

4.25” by 4/25” 

Materials Needed:

• Category 4 Worsted Weight Yarn (I used 60% Cotton, 40% Acrylic 207yds/189m/100g) Exact yarn detailed in pattern.

• Yarn A: approx 80yds per coaster.

• Yarn B: approx 80 yds per coaster.

• Crochet Hook 3.5mm (E) or the size that meets the gauge for the pattern. 

• Yarn Needle

• Scissors

• Stitch markers

Pattern Includes:

• Detailed Instructions over 11 page Ebook

• Stitch Guide

• Sizing Chart/schematic

• Step by Step Stitch Tutorial

• Colour Inspiration Page

• Supporting Video Tutorial

Instant Download: Start crocheting your own shamrocks today! Purchase includes immediate access to the full PDF pattern in US crochet terms.

🍀 Make It Yours

Keep it classic with green and cream, go bold with high contrast mosaic, or soften it with tonal neutrals. Add tassels for a playful finish or keep them minimal and modern.

Perfect for:

• St Patrick’s Day décor

• Handmade gifts

• Spring table styling

• Hostess gifts

• Coffee table charm
  
  

Small project. Big texture. Lots of shamrock personality 💚

Need Help?

We're here for you! Contact us anytime in the HanJan Crochet Community Group for pattern support or questions.

Note:

This listing is for a digital download PDF pattern, not the finished item. Due to the nature of digital downloads, no refunds will be issued.

© 2025 HanJan Crochet Ltd. All rights reserved. This pattern and its content are protected by copyright laws. No part of this pattern may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of HanJan Crochet Ltd, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law.

This pattern is for personal use only. It may not be used for commercial purposes without the express permission of HanJan Crochet Ltd. Finished items made from this pattern may be sold in small quantities with credit given to HanJan Crochet Ltd for the design.