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  • Writer's pictureLucy Duffy

Not so granny jar cosy - Free pattern

Updated: Sep 21, 2023

I may have mentioned before that we seem to accumulate a lot of jars in our house, it's actually crazy how many we seem to go through in a month.


Anyway, it pains me to just put them in the recycling - yes, I know that it means they get a new life, but I still think about how melting them down & remanufacturing them into something else seems a waste of resources - It's better than them going to landfill, obviously but I prefer to upcycle them if I can, especially as they are so useful for holding all sorts of bits & bobs..


So today, I thought I would share my "Not so granny" jar cosy pattern with you so that you can also do some upcycling, if that's your thing!


Two jars on a windowsill, one with a green crocheted jar cosy & one with a green & grey striped jar cosy.
Two versions of the Not so granny jar cosy

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There is also a PDF version available in my Ravelry, Etsy or Ribblr stores for a small fee, if you prefer to be able to print off a pattern & avoid the adverts.


Which yarn should you choose for your jar cosy?


I used Hayfield Bonus Aran in the shade Lagoon blue. This is a 100% acrylic yarn so I wouldn't recommend it if you were thinking of putting candles in the jar, but I knew that I wanted to use these particular jars for storing things like buttons & safety pins so it was fine.


This yarn comes in 43 beautiful shades & is super soft - incidentally at the time of writing this post this yarn is currently on sale at Lovecrafts for just £2.42 per ball.


I used approx 20 grams, so a 100gm ball should make 4 cosies - a conservative estimate.

You could also use you're preferred aran weight yarn in your favourite colour, especially if you already have some left overs in your stash.


For this pattern, I will be using UK Terminology throughout as follows:


Terms used in the pattern

  • Chain (ch)

  • double crochet (dc)

  • half treble crochet (htr)

  • slip stitch (sl st)

  • stitches (st's)


If you are new to the half treble crochet stitch here is a photo tutorial:


A collage of six photos, each showing one step of the process needed to create a half treble crochet stitch.
The steps needed to make a half treble crochet stitch.

If you would prefer a video tutorial, you can find one here.


Materials

A jar, a crochet hook & two balls of yarn.
Materials needed.


Tension


10 stitches x 13 rows measures 10cm x 10cm.



Finished size


Approx 27cm circumference x 13cm tall


Pattern


The cosy is worked by forming the base first in rounds & once it is the right size for the base of your jar, the sides are formed.


Base


The base is formed using the Amigurumi method of not slip stitching the end of each round to the beginning but by continuing the pattern so that a spiral shape is formed. Popping a stitch marker into the first stitch of each round will help you to keep track of which round you are on.


Round 1: Create a magic loop, ch1, then work 6dc into it.


A crochet hook, inserted into the crochet project being worked.

Pull tail to close loop. (6st’s).


The yarn tail being pulled to close the magic loop.


Round 2: 2dc into each st around. (12 st’s).


Round 2 completed.


Round 3: 2dc in 1st st, *1dc into the next st,2dc into the next st. Repeat from * to the end of the round. (18 st’s).


Round 3 completed.


Round 4: 2dc in 1st st, *1dc into each of the next 2 st’1, 2dc into the next st. Repeat from * to the end of the round. (24 st’s).



Round 4 completed.


Round 5: 2dc in 1st st, *1dc into each of the next 3 st’s, 2dc into the next st.Repeat from * to the end of the round. (30 st’s).


Round 5 completed.


Round 6: 2dc in 1st st, *1dc into each of the next 4st’s, 2dc into the next st. Repeat from * to the end of the round. (36 st’s).


At this point check the fit of your base against the bottom of the jar. If it’s a good fit, continue the "building the sides" section of the pattern.


Round 6 completed.


If your base is still too small, continue working in rounds, adding 6 st’s evenly to each new round.


Start building the sides


Round 7: ch2 (does not count as a st), miss the 1st st, *2htr in next st, miss next st. Repeat from * to the the last 3 st’s. Miss 3rd st from end, 2htr in next st, 1htr in st with the ch2. Sl st to top of beg ch2. (36 sts).


Round 7 completed.


Round 8: Ch2, *2htr into the space created by missing the stitches between htr’s, miss next st. Repeat from * to last 2st’s, miss next st, 2htr in next space, ch1, sl st to top of ch3. (36 st’s).


An image showing the space to be worked into.


Round 9: ch2, miss the 1st st, *2htr in next space, miss next st. Repeat from * to last 3 st’s. Miss 3rd st from end, 2htr in next space, 1htr in st with the ch2. Sl st to top of beg ch2. (36 sts).


This is how your cosy should look as it progresses:


An image showing the jar cosy with the sides growing.

Continue repeating rounds 8 & 9 until you have worked 23 rounds or until you reach the desired height for your cosy.


Fasten off & Weave in ends.


To form the striped version, I changed colour after rounds 9, 14, & 18.


When changing colour, remember to introduce the new colour on the last yarn over of the last stitch of the previous round.


One jar on a windowsill with a pale green crocheted jar cosy.

I also decided to cover the lids on my version with some offcuts of grey fabric that I had already & a hot glue gun. They didn't end up looking how I had envisioned so I yhink I need a little more practice with my glue gun technique. 😂



A final note!


I really hope you've enjoyed using this free pattern & would love to see your versions. You can comment below to let me know how you found it & if you use social media, you can tag me @duffyscraftdays.

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