Be careful when re potting as the roots break easily. Very easy to peel and grows to the perfect size for a snack, has some seeds. Use a mixture of peat/bark/very coarse sand as a potting mixture. Clementine Mandarin Tree (Semi-dwarf) (Potted) Clementine Mandarin Tree (. When the seedlings are about 4 to 6 inches tall you can re pot them into larger small pots. Make sure to poke holes in the cups to allow for water drainage. If you see any drying of the leaves replace the bag.

In about a month you can start opening the plastic bags up to harden off the new seedlings.

Place them in a bright location out of indirect sunlight. I cover the cups with a plastic bag to keep the humidity up. In about 2 weeks the seeds will have germinated and will need to be planted into small cups. Place the plastic bag on a warm heat source such as the top of your water heater, cable box, older style monitor if left always on, or even a reptile heat stone. Flatten the lump of peat moss and zip it up. Add enough water to make it very damp but not sopping wet. Place a handful of peat moss in the zipper bag. I use a plastic zipper bag to germinate all my citrus seeds I usually have 100% germination with this method.

Growing clementines from seed