How to Grow : Step 1 - Test the seeds before planting. Put the seeds in water and discard the seeds that float. Seeds that float may be hallow. The plump, heavier seeds that sink in the water have a better chance of survival.
Step 2 - Place the seeds in a damp material. Rose seeds typically won't sprout unless they are kept in cold, wet conditions, mimicking a winter environment.
Step 3 - Leave the seeds in the fridge for several weeks.Put the seeds and moist material in a plastic bag or seedling tray in a plastic bag or seedling trays, and keep them in a cold area of a refrigerator, such as an otherwise empty crisper drawer.
Step 4 - Remove the seeds from the fridge. Try to do this around the time that the seeds would normally start to germinate, such as in early spring. Make sure that the environment outside of the fridge is about 70 degrees Fahrenheit
Step 5 - Fill a container with sterile seed starting mix. Small seedling starting trays make it easy to care for many seeds at once. Alternatively, use plastic drinking cups with a hole punched in the bottom, to make root growth easier to view.
Step 6 - Plant the seeds. Some store-bought seeds can be planted immediately. If you germinated your own seeds as described above, plant them as soon as they begin to sprout.
Step 7 - Keep the seedlings in warm, moist soil. Keep the soil damp, but not soggy
Step 8 - Learn when it's safe to transplant seedlings.Once the seedling grows several
Step 9 - Care for your roses. Once the transplanted seedling is looking healthy again, you can start watering it as normal. Fertilizing a few times during the warm growing season may help your plant grow and bloom.
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Description
HOW TO GROW :
1
Test the seeds before planting. Put the seeds in water and discard the seeds that float. Seeds that float may be hallow. The plump, heavier seeds that sink in the water have a better chance of survival.
2
Place the seeds in a damp material. Rose seeds typically won't sprout unless they are kept in cold, wet conditions, mimicking a winter environment. Place the seeds between two layers of lightly dampened paper towels, or in a container of dampened salt-free river sand, peat moss, or vermiculite.
This is the first step in a process called stratification. If you are using store-bought seeds and the label says they are already stratified, skip to the planting seeds section below.
3
Leave the seeds in the fridge for several weeks. Put the seeds and moist material in a plastic bag or seedling tray in a plastic bag or seedling trays, and keep them in a cold area of a refrigerator, such as an otherwise empty crisper drawer.
Do not keep them in same area of the refrigerator as fruit or vegetables, which can release chemicals that prevent the seeds from developing.
Keep the seed medium slightly damp. Add a few drops of water to each paper towel whenever they begin to dry out.
4
Remove the seeds from the fridge. Try to do this around the time that the seeds would normally start to germinate, such as in early spring. Make sure that the environment outside of the fridge is about 70 degrees Fahrenheit.The seed will not sprout until you take them out of the fridge. Depending on the rose variety and individual seeds, the seeds could take anywhere from four to sixteen weeks to germinate. Often, 70% or more of the seeds never sprout at all.
5 Fill a container with sterile seed starting mix. Small seedling starting trays make it easy to care for many seeds at once. Alternatively, use plastic drinking cups with a hole punched in the bottom, to make root growth easier to view.
Regular soil is not recommended, as it may not drain well enough and cause the seedlings to rot.
6 Plant the seeds. Some store-bought seeds can be planted immediately. If you germinated your own seeds as described above, plant them as soon as they begin to sprout. Plant with the sprout pointed downward, as this is the root. Lightly cover them with soil, about 1/4 inch (6 mm) deep. Space seeds at least 2 inches (5 cm) apart to minimize competition.
Sprouted seeds should emerge as seedlings within a week. Store-bought seeds that do not require home stratification may take several weeks.Seeds that have not been stratified, using the germination process above, may take two or three years to emerge.
7 Keep the seedlings in warm, moist soil. Keep the soil damp, but not soggy. A temperature between 60 and 70ºF (16–21ºC) is ideal for most rose varieties.The seedlings typically thrive on six hours of sun or more each day, but you may wish to research the parent rose's variety to get a better idea of what your rose's prefer.
8Learn when it's safe to transplant seedlings. The first two leaves visible are usually "cotyledons," or seed leaves. Once the seedling grows several "true leaves," with a more typical rose leaf appearance, it is more likely to survive transplanting. It is also easier on plants if they are transplanted to a larger pot for a year or two, and then transplanted outside.
It may be a good idea to transplant the seedlings soon if you notice the plant is root-bound, with its roots encircling the container.
Do not transplant it outside until after the last frost.
9 Care for your roses. Once the transplanted seedling is looking healthy again, you can start watering it as normal. Fertilizing a few times during the warm growing season may help your plant grow and bloom if you follow the fertilizer instructions, but keep in mind that some varieties of rose will not bloom at all during their first year of life.
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