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World of CitrusWorld of CitrusPoncirus Plus
Mulberry0126 · Tropical Fruit Forum · Cold Hardy Citrus · February 19th, 2025
https://www.tropicalfruitforum.com/index.php?topic=57841.msg547179#msg547179 (opens in a new tab)
First-hand forum account, paraphrased; not an independently verified trial.
Accessed
raregrowsnj · Tropical Fruit Forum · Cold Hardy Citrus · April 6th, 2022
https://www.tropicalfruitforum.com/index.php?topic=47019.msg457051#msg457051 (opens in a new tab)
First-hand forum account, paraphrased; not an independently verified trial.
Accessed
kumin · Tropical Fruit Forum · Cold Hardy Citrus · May 13th, 2025
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg556173#msg556173 (opens in a new tab)
First-hand forum account, paraphrased; not an independently verified trial.
Accessed
themulberries · Growing Fruit · 2026-08-22
First-hand grower observation. Leaf taste, fruit taste, young graft exposures and speculation are distinguished. Quoted nursery or World of Citrus text is not independent evidence.
Accessed
kumin · Tropical Fruit Forum · November 12th, 2023
https://www.tropicalfruitforum.com/index.php?topic=52865.msg506894#msg506894 (opens in a new tab)
Exact post by kumin. The post reports unspecified Poncirus+ seedlings fruiting at 3–4 years and discusses breeding. It does not establish that the seedlings were verified clonal Poncirus Plus material or a cultivar-wide bearing age.
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Till · Tropical Fruit Forum · November 12th, 2023
https://www.tropicalfruitforum.com/index.php?topic=52865.msg506871#msg506871 (opens in a new tab)
Exact post by Till. The author reports that their own Poncirus+ had not yet flowered. The offered pollen concerns other unidentified Poncirus material, so it does not establish Poncirus Plus flowering or pollen traits.
Accessed
The Mulberries · YouTube · November 15th, 2024
https://www.youtube.com/watch?v=Ub-snHkSb1U (opens in a new tab)
Summary from transcript: A comparative taste test of a ripe Poncirus Plus fruit supplied by Mel in Pennsylvania from seed-grown material. The speaker reports about 67 g and 13.5 Brix, less sticky flesh and juice, very sour flavor and low flesh/juice bitterness; zest remains bitter. Spoken readings and sensory impressions are unverified, and the suggested pH is a prediction.
Accessed
The Mulberries · YouTube · July 23rd, 2026
https://www.youtube.com/watch?v=RYuIQDSQa54 (opens in a new tab)
Summary from transcript: A grafted Poncirus Plus tree showed a repeat secondary bloom after rain. Rootstock identity, location, controlled comparison, and cold exposure are not supplied.
Accessed
The Mulberries · YouTube · June 30th, 2025
https://www.youtube.com/watch?v=57WiMhF_JR8 (opens in a new tab)
Summary from transcript: One tiny aborted, uncrossed immature Poncirus Plus fruitlet had little perceived sticky resin when cut. This developmental-stage observation does not establish mature fruit quality, universal resin absence, or hardiness.
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The Mulberries · YouTube · June 26th, 2026
https://www.youtube.com/watch?v=ZeZ8ZF8F0co (opens in a new tab)
Summary from transcript: Second-flush summer bloom occurred in successive years on different Poncirus Plus specimens. The speaker distinguishes a past naturally set fruit from unsuccessful hand pollinations; a finger-lime cross is planned, not an outcome. Speculated hybrid ancestry is unconfirmed.
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The Mulberries · The Mulberries
https://themulberries.org/cold-hardy-citrus-taste-tests/ (opens in a new tab)
Companion Poncirus+ Trifoliate Orange scorecard: https://themulberries.org/wp-content/uploads/2026/01/Poncirus-724x1024.png . Visually lists 67 g, 12 Brix and pH 2.9. Sampling date and methods are not stated; the page does not explicitly link the video. Used at the owner’s direction to supplement the same tasting, not a second sample. The card’s 12 Brix differs from the video’s spoken 13.5 Brix.
Accessed
The Mulberries · YouTube · 2026-03-02
https://www.youtube.com/watch?v=qkMk7xPCGeU (opens in a new tab)
Summary from transcript: Poncirus Plus was described as highly vigorous and thorny, with fruit said to have little or no resin (29:05–29:49).
Accessed
The Mulberries · YouTube · 2026-06-01
https://www.youtube.com/watch?v=pyh_HQv_bEg (opens in a new tab)
Summary from transcript: A small Poncirus Plus clone produced poorly ripened summer fruit with viable seed; current vigorous trees were not flowering (10:39–11:14).
Accessed
kumin · Tropical Fruit Forum · Cold Hardy Citrus
https://www.tropicalfruitforum.com/index.php?msg=589802 (opens in a new tab)
Exact post by kumin. The forum displays “Today” rather than a calendar date on page access. The author reports Poncirus Plus ripening approximately 10 days later than Collins; the post gives no season, location, harvest criteria, accession verification, or sample size. This is an unmeasured, source-specific relative-ripening observation.
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kumin; Till · Citrus Growers Forum v2 (ProBoards)
https://citrusgrowersv2.proboards.com/thread/450/poncirus (opens in a new tab)
Owner-supplied transcriptions attributed to kumin and Till; the live page, post dates, and post anchors were not independently verified. Kumin’s excerpt identifies Poncirus+; Till’s excerpt discusses unspecified Poncirus types generally and is not evidence about Poncirus Plus.
Accessed
kumin · Tropical Fruit Forum · Cold Hardy Citrus · October 21, 2020
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg407682#msg407682 (opens in a new tab)
Post #407682 labels a Poncirus Plus plant as 18 months from seed and entering autumn color. This is a grower’s dated developmental observation; no freeze exposure or color measurement is reported.
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kumin · Tropical Fruit Forum · Cold Hardy Citrus · April 13, 2022
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg457698#msg457698 (opens in a new tab)
The author reports that this was the first flowering of Poncirus Plus and that about 80% of the flowers lacked pistils. The report is limited to the observed first flowering, not permanent sterility.
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kumin · Tropical Fruit Forum · Cold Hardy Citrus · January 1, 2021
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg414513#msg414513 (opens in a new tab)
The author reports no observed reduction in cold hardiness for Poncirus Plus compared with Poncirus at that time. The reported +10 °F low applies to the update as a whole, not as a threshold for this variety.
Accessed
kumin · Tropical Fruit Forum · Cold Hardy Citrus · February 23, 2024
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg514660#msg514660 (opens in a new tab)
In the update, the author reports that Poncirus Plus had not shown cold damage. No distinct temperature, exposure period, or individual-plant history is supplied for this statement.
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kumin · The Tropical Fruit Forum · November 6, 2022
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg475350#msg475350 (opens in a new tab)
Kumin reports one tasted Poncirus Plus fruit with a Brix reading of 11, rind thickness 4 mm, seven seeds, and less wax than the comparison fruit. He describes the fruit as very small and attributes this to inadequate foliage; that explanation is his hypothesis. Subjective taste wording is not standardized.
Accessed
kumin · The Tropical Fruit Forum · December 30, 2022
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg479175#msg479175 (opens in a new tab)
Kumin reports opening Poncirus Plus fruits after allowing them to become very ripe. He notes some wax, many seeds, and a Brix reading of 13; the post does not specify sample count or a measurement protocol. Subjective taste wording is not standardized.
Accessed
kumin · The Tropical Fruit Forum · December 6, 2025
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg571798#msg571798 (opens in a new tab)
Kumin reports Poncirus Plus fruit ripening three weeks after Conestoga 006 and two weeks after Conestoga 010 and 026. The post gives relative timing, not a calendar harvest date or a controlled maturity comparison; subjective flavor wording is not converted to taste scores.
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kumin · The Tropical Fruit Forum · February 20, 2023
People & organizations: kumin
https://www.tropicalfruitforum.com/index.php?topic=30891.msg484553#msg484553 (opens in a new tab)
While repotting Poncirus Plus seedlings, Kumin reports at least three instances of multiple seedlings emerging from a single seed and suggests some seedlings may be nucellar. This is a grower observation and inference, not genetic confirmation.
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kumin · Tropical Fruit Forum · Cold Hardy Citrus · July 25, 2025
https://www.tropicalfruitforum.com/index.php?msg=562630 (opens in a new tab)
Reply 840 identifies Poncirus Plus as the recipient of Conestoga 058 pollen. It reports about six recipient flowers setting fruit and hopes for viable seed; no viable seed or measured fertility outcome is reported.
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