Growing Plumeria from Seeds
Plumeria seeds are fun to grow and can provide you with many years of pleasure. Before you begin you should consider seed choices and the limitations of your growing environment and conditions. Something to remember, Plumeria Rubra seeds do not grow true to its parents, and they will take up lots of space and attention until they bloom. The average time to bloom is from two the three years, some shorter and some can take much longer.
Choosing the Right Plumeria Seeds
Before exploring how to best grow your plumeria seeds and seedlings, you need to think about starting with the right seeds. If you intend to grow for grafting rootstock or want to grow a new cultivar, you should use the best quality seeds.
What Do Plumeria Seeds Need to Germinate?
Viable plumeria seeds are living entities. They must contain living, healthy embryonic tissue in order to germinate. All fully developed seeds contain an embryo, a store of food reserves, wrapped in a seed coat. Seeds generally “wake up” and germinate when soil moisture and temperature conditions are correct for them to grow.
Seeds and Seedlings Need the Right Environment to Germinate
Temperature, moisture, air, and light conditions must be correct for seeds to germinate. All seeds have optimal temperature ranges for germination. The minimum temperature is the lowest temperature at which seeds can germinate effectively. The maximum is the highest temperature at which seeds can germinate. Anything above or below this temperature can damage seeds or make them go into dormancy. At optimal temperatures, germination is rapid and uniform, for plumeria seeds usually 5-10 days.
Plumeria seeds need correct moisture to initiate internal processes leading up to germination. A fine-textured seedbed and good seed-to-soil contact are necessary for optimal germination. Aeration in the soil media allows for good gas exchange between the germinating embryo and the soil. Seeds respire just like any other living organism. They need oxygen and produce carbon dioxide (CO2). This carbon dioxide needs to be able to move away from the seed. If the soil or media is not well aerated due to overwatering or compaction, the CO2 will not dissipate, and seeds can suffocate.
Not all seeds have the same light requirements. Most seeds germinate best under dark conditions and might even be inhibited by light. Don’t confuse seed light requirements with what seedlings need. All seedlings require sunlight. Seedlings will become leggy and fragile and will not grow to their potential if they do not have sufficient light.
Soil temperature conditions for plumeria seed germination, Minimum (F) 60, Optimum Range (F) 75-95, Optimum (F) 85, Maximum (F) 95. Soil temperatures should be taken by inserting a soil thermometer 3-4 inches deep into the soil surface and noting temperature.
Growing Plumeria Seedling Need Space
After you find the perfect seeds from a trusted source. You are ready to think about the time and space. Not only to germinate them, but to grow them until you need them for rootstock or until they bloom. You will also need to commit to 3 – 5 years or longer of care. Seedlings need the same care as your mature plumeria or maybe more. If you plant 50 seedlings, look at the space 50 mature plant would take. Remember to take into consideration storing for winter, if you are in an area that freezes or gets frost.
If you are thinking of naming a seedling please click here to check this list of known plumeria names and AKA’s
OK, now you are ready to embark on a journey like no other, the joy of growing Plumeria from Seed. Have fun!
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