How to Propagate Poncirus Trifoliata
- 1). Collect a fruit from a mature Poncirus trifoliata tree in late summer once the fruit ripens to a dull, yellowy orange color. Quarter the fruit with a paring knife. Squeeze out the juice and extract the seeds, which resemble standard orange seeds in all regards.
- 2). Prepare a pot for each Poncirus trifoliata seed. Fill 1-gallon nursery containers with a mixture of 2 parts garden soil, 1 part acidic compost and 1 part medium-grit sand.
- 3). Sow the Poncirus trifoliata seeds to a depth of 1/2 inch. Water each seed to a depth of 3 inches immediately after sowing.
- 4). Place the nursery containers against a southwest-facing wall with partial shade during the hottest part of the day. Cover the pots with straw during cold weather to insulate them.
- 5). Water the Poncirus trifoliata seeds whenever the surrounding soil feels dry at a depth of 1 inch. Maintain moisture at a depth of 2 inches with periodic drying-out periods lasting no more than 48 hours.
- 6). Watch for sprouting in 15 to 20 days. Keep the Poncirus trifoliata seedlings sheltered from long periods of direct sunlight for the first month or two of growth. Slowly acclimate them to stronger light until they can withstand direct sun all day without scorching.
- 7). Keep the Poncirus trifoliata seedlings in their pots for at least one year, or until they reach 12 to 15 inches in height, then plant them in a permanent bed.
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