The special stitch used in this pattern is called TLO (third loop only). You can also find it by names: 3LO (third loop only), BHL (back horizontal loop).

You can choose your own yarn colors to make your pumpkin more personalized.

Be careful not to over stuff your pumpkin, otherwise the fiber might be visible between the stitches.

This pattern is beginner-friendly, however the leaf process might be a bit challenging. You can find many video tutorials for similar leaves. Choose the one you like the most.