1、 Seeding method

1. Soil preparation: before breeding, prepare the substrate suitable for the growth of primrose, and it is better to use soft acid soil. Rotten leaf soil, garden soil and a small amount of base fertilizer can be mixed and prepared for sowing

2. Expediting seed: after purchasing the seed, we should carry out germination treatment, put it into warm water and soak it for 1-2 days. After the seeds absorb enough water, they are fished out, and the germination rate is relatively high after sowing

3. Sowing: because its seeds are relatively small, it is necessary to use the method of sowing to sprinkle the seeds into the matrix. Finally, a layer of 1-2cm thick substrate is covered, and the sowing is completed after watering

2、 Cutting method

1. Time: Primula cutting is best carried out in the middle and late August. At this time, the cutting grows faster and will not delay the flowering of the next year

2. Cuttings: select a section that is strong and has no traces of diseases and insect pests on it. The survival rate of this branch is much higher than that of weak branches. The length of branches is about 15cm. The leaves at the bottom shall be properly trimmed and cut after dipping an appropriate amount of rooting powder

3. Cutting: for the prepared substrate with high air permeability, insert the treated branches into the substrate without too deep. It is best to put them in a semi shady and ventilated place