Don’t toss away your seeds! If you don’t plan on planting them immediately, simply store the packets in a jar with a screw-top lid in the refrigerator (not the freezer) until you’re ready to use them. This method can preserve the seeds for several years.
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The perfect timing to plant polyanthus, acaulis, and auricula is from February to April. It is advisable to wait until March or April to sow in tough soil conditions, although a slight frost can aid in germination.
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You can enjoy the beauty of spring flowers by planting before May ends. But if you have to, sowing can still be done until July end as long as you make sure to keep them moist and cool.
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It’s important to choose the right compost for primula plants. Fertilizers can be harmful to these plants because they contain high levels of mineral salts. If the combination is too strong, the plants may not grow or their young roots may die. To avoid this, it’s best to use seed compost that is fibrous and gritty. This type of compost provides the air that primula roots need to develop properly. If the compost is too fine, it will force out the air and harm the roots