Citrus paradisi Macfadyen
CRC 3993
PI 539487
VI 470
Source
Received as budwood from the Winterhaven, Florida, via the Budwood Registration Program, 1988.
Parentage/origins
Flame grapefruit is reported to be from seed of a sport of Ruby Red grapefruit originating in the Houston, Texas grove of C. Henderson. C. J. Hearn made the final selection, and Flame was released as a new variety in 1987.
Rootstocks of accession
Carrizo citrange
Season of ripeness at Riverside
February to June
Notes and observations
12/1989, DG: Vigorous trees. Fruit size is better than Star Ruby with flesh color about the same as Star Ruby. Probably not as cold sensitive as Star Ruby. Shows herbicide sensitivity.
OJB: Flame trees grow vigorously to a large size and are reported to be more cold-tolerant than Star Ruby. The fruit has a smooth yellow rind and usually has a pink blush. The flesh is tender and juicy and has an internal color almost as dark as Star Ruby. Flame’s season is mid to late-season; the fruit holds well on the tree with some fading of the internal color when held past maturity.
Availability
Commercially available in California through the Citrus Clonal Protection Program. Click here to order budwood.
USDA Germplasm Resources Information Network page for Flame grapefruit
CVC Fruit Quality Data for Flame grapefruit
(Old format)
| CULTIVAR | SAMPLE LOCATION | DATE | NUMBER OF FRUIT PER SAMPLE | TOTAL LENGTH PER SAMPLE (cm) | TOTAL WIDTH PER SAMPLE (cm) | LENGTH /WIDTH RATIO | TOTAL WT PER SAMPLE (grams) | MEAN WEIGHT PER FRUIT (grams) | EXTERNAL COLOR BASED ON COLOR CHART | TEXTURE BASED ON CHART | TOTAL RIND THICKNESS PER SAMPLE (mm) | TOTAL SEEDS PER SAMPLE | INTERIOR COLOR DESCRIPTION | TOTAL JUICE WT. PER SAMPLE (grams) | % JUICE | TSS (TOTAL SOLUBLE SOLIDS) | % ACID (BASED ON CITRIC ACID) | RATIO (TSS / % ACID) |
| FLAME | Lindcove | 1/8/1997 | 10 | 86.5 | 94.7 | 0.9 | 3367.4 | 336.7 | 10.0 | 2.5 | 98.0 | 21.0 | MEDIUM RED | 1467.6 | 43.6 | 13.3 | 2.2 | 6.1 |
| FLAME | Lindcove | 1/8/1997 | 10 | 82.5 | 94.7 | 0.9 | 3311.1 | 331.1 | 10.0 | 2.5 | 85.0 | 26.0 | MEDIUM RED | 1617.5 | 48.9 | 11.7 | 1.7 | 7.0 |
| FLAME | Riverside | 1/8/1997 | 10 | 73.1 | 81.3 | 0.9 | 2409.0 | 240.9 | 10.0 | 2.0 | 55.0 | 29.0 | RED | 1288.6 | 53.5 | 10.0 | 1.4 | 7.0 |
| FLAME | Riverside | 1/8/1997 | 10 | 76.7 | 83.6 | 0.9 | 2601.8 | 260.2 | 9.5 | 2.0 | 57.0 | 29.0 | RED | 1375.7 | 52.9 | 12.0 | 1.7 | 7.2 |
| FLAME | Coachella | 1/9/1997 | 10 | 84.6 | 93.0 | 0.9 | 3427.7 | 342.8 | 10.0 | 2.5 | 68.0 | 42.0 | MEDIUM RED | 1778.3 | 51.9 | 10.5 | 1.4 | 7.6 |
| FLAME | Irvine | 1/14/1997 | 10 | 86.6 | 98.5 | 0.9 | 3877.7 | 387.8 | 8.5 | 2.0 | 67.0 | 47.0 | MEDIUM RED | 2026.2 | 52.3 | 10.5 | 1.7 | 6.0 |
| FLAME | Irvine | 1/14/1997 | 10 | 93.5 | 102.1 | 0.9 | 4206.9 | 420.7 | 8.5 | 2.0 | 83.0 | 49.0 | MEDIUM RED | 2066.9 | 49.1 | 10.1 | 1.7 | 5.8 |
| FLAME | Riverside | 1/27/1997 | 10 | 77.8 | 84.7 | 0.9 | 2713.2 | 271.3 | 10.0 | 2.0 | 60.0 | 27.0 | MEDIUM RED | 1417.5 | 52.2 | 10.6 | 1.4 | 7.6 |
| FLAME | Riverside | 1/27/1997 | 10 | 75.2 | 84.6 | 0.9 | 2702.1 | 270.2 | 10.0 | 2.0 | 58.0 | 29.0 | MEDIUM RED | 1457.8 | 54.0 | 11.9 | 1.6 | 7.4 |
| FLAME | Lindcove | 1/28/1997 | 10 | 80.9 | 92.7 | 0.9 | 3112.0 | 311.2 | 10.0 | 2.5 | 82.0 | 16.0 | MEDIUM RED | 1519.7 | 48.8 | 11.6 | 1.6 | 7.4 |
| FLAME | Lindcove | 1/28/1997 | 10 | 87.7 | 95.8 | 0.9 | 3386.4 | 338.6 | 10.0 | 2.5 | 95.0 | 20.0 | MEDIUM RED | 1482.6 | 43.8 | 12.8 | 2.0 | 6.4 |
| FLAME | Irvine | 2/3/1997 | 10 | 80.5 | 89.6 | 0.9 | 3181.1 | 318.1 | 10.0 | 2.0 | 61.0 | 31.0 | LIGHT RED | 1765.1 | 55.5 | 10.5 | 1.6 | 6.5 |
| FLAME | Irvine | 2/3/1997 | 10 | 90.7 | 99.5 | 0.9 | 4163.8 | 416.4 | 10.0 | 2.5 | 76.0 | 33.0 | LIGHT RED | 2186.7 | 52.5 | 10.2 | 1.6 | 6.3 |
| FLAME | Riverside | 2/17/1997 | 10 | 82.5 | 88.7 | 0.9 | 3124.2 | 312.4 | 10.0 | 2.0 | 58.0 | 26.0 | DARK RED | 1735.2 | 55.5 | 10.0 | 1.3 | 7.7 |
| FLAME | Riverside | 2/17/1997 | 10 | 81.3 | 89.1 | 0.9 | 3171.8 | 317.2 | 10.0 | 2.0 | 55.0 | 32.0 | DARK RED | 1819.3 | 57.4 | 10.6 | 1.4 | 7.8 |
| FLAME | Irvine | 2/18/1997 | 10 | 83.4 | 92.0 | 0.9 | 3369.3 | 336.9 | 10.0 | 2.5 | 57.0 | 28.0 | MEDIUM RED | 1823.0 | 54.1 | 10.2 | 1.7 | 6.2 |
| FLAME | Irvine | 2/18/1997 | 10 | 92.2 | 101.8 | 0.9 | 4219.5 | 422.0 | 10.0 | 2.0 | 73.0 | 30.0 | MEDIUM RED | 2220.8 | 52.6 | 9.6 | 1.6 | 5.9 |
| FLAME | Coachella | 2/27/1997 | 10 | 84.6 | 91.3 | 0.9 | 3457.9 | 345.8 | 9.5 | 2.0 | 67.0 | 19.0 | MEDIUM RED | 1830.3 | 52.9 | 10.4 | 1.3 | 8.3 |
| FLAME | Lindcove | 1/6/1998 | 10 | 101.1 | 118.4 | 0.9 | 5951.7 | 595.2 | 9.8 | 3.0 | 88.0 | 18.0 | DARK PINK | 2423.2 | 40.7 | 10.3 | 1.4 | 7.5 |
| FLAME | Lindcove | 1/6/1998 | 10 | 95.1 | 110.1 | 0.9 | 4422.4 | 442.2 | 9.6 | 3.0 | 80.0 | 23.0 | DARK PINK | 2023.3 | 45.8 | 10.1 | 1.4 | 7.3 |
| FLAME | Irvine | 1/6/1998 | 10 | 93.8 | 108.6 | 0.9 | 5022.6 | 502.3 | 10.0 | 1.5 | 72.0 | 33.0 | MEDIUM PINK | 2668.5 | 53.1 | 10.0 | 1.4 | 7.0 |
| FLAME | Irvine | 1/6/1998 | 10 | 79.6 | 89.8 | 0.9 | 3132.7 | 313.3 | 10.0 | 1.5 | 50.0 | 36.0 | MED.-DK. PINK | 1773.4 | 56.6 | 10.8 | 2.0 | 5.5 |
| FLAME | Riverside | 1/8/1998 | 5 | 56.6 | 60.4 | 0.9 | 3495.5 | 699.1 | 9.5 | 2.5 | 48.0 | 4.0 | MEDIUM PINK | 1628.3 | 46.6 | 8.8 | 1.2 | 7.4 |
| FLAME | Riverside | 1/8/1998 | 6 | 61.9 | 67.1 | 0.9 | 3639.9 | 606.7 | 8.9 | 2.0 | 51.0 | 6.0 | MEDIUM PINK | 1843.0 | 50.6 | 9.1 | 1.2 | 7.4 |
| FLAME | Coachella | 1/14/1998 | 10 | 100.2 | 104.6 | 1.0 | 4597.5 | 459.8 | 9.7 | 2.5 | 91.0 | 17.0 | DARK PINK | 2153.9 | 46.8 | 7.7 | 1.2 | 6.6 |
| FLAME | Riverside | 1/30/1998 | 5 | 60.5 | 62.5 | 1.0 | 4056.0 | 811.2 | 10.0 | 2.0 | 55.0 | 12.0 | MEDIUM PINK | 1744.6 | 43.0 | 8.2 | 1.2 | 6.9 |
| FLAME | Riverside | 1/30/1998 | 5 | 62.9 | 62.6 | 1.0 | 4076.7 | 815.3 | 10.0 | 2.0 | 56.0 | 11.0 | MEDIUM PINK | 1797.3 | 44.1 | 8.4 | 1.1 | 7.4 |
| FLAME | Irvine | 1/30/1998 | 10 | 100.0 | 107.1 | 0.9 | 4944.5 | 494.5 | 9.5 | 2.0 | 79.0 | 21.0 | LT. YEL.-MED.PINK | 2551.1 | 51.6 | 7.3 | 1.3 | 5.6 |
| FLAME | Irvine | 1/30/1998 | 10 | 79.4 | 90.5 | 0.9 | 3161.8 | 316.2 | 9.5 | 1.5 | 55.0 | 36.0 | MEDIUM PINK | 1806.1 | 57.1 | 7.8 | 1.2 | 6.6 |
| FLAME | Lindcove | 2/5/1998 | 7 | 68.0 | 79.2 | 0.9 | 3758.9 | 537.0 | 9.5 | 2.0 | 67.0 | 8.0 | MED PINK | 1593.2 | 42.4 | 9.8 | 1.4 | 7.2 |
| FLAME | Lindcove | 2/5/1998 | 10 | 100.0 | 111.1 | 0.9 | 5124.4 | 512.4 | 9.5 | 2.0 | 103.0 | 15.0 | MED.-DARK PINK | 2229.8 | 43.5 | 11.1 | 1.6 | 7.2 |
| FLAME | Coachella | 2/6/1998 | 10 | 100.0 | 107.9 | 0.9 | 4866.7 | 486.7 | 9.5 | 2.0 | 90.0 | 41.0 | MEDIUM PINK | 2159.4 | 44.4 | 9.2 | 1.3 | 7.0 |
| FLAME | Riverside | 3/2/1998 | 5 | 58.3 | 59.9 | 1.0 | 3462.6 | 692.5 | 9.5 | 2.0 | 54.0 | 7.0 | MEDIUM PINK | 1515.0 | 43.8 | 8.9 | 1.1 | 8.3 |
| FLAME | Lindcove | 3/3/1998 | 9 | 79.5 | 92.4 | 0.9 | 3969.6 | 441.1 | 9.5 | 3.0 | 83.0 | 21.0 | MED.-DARK PINK | 1759.9 | 44.3 | 11.1 | 1.4 | 8.0 |
| FLAME | Coachella | 3/4/1998 | 10 | 102.6 | 110.8 | 0.9 | 5383.3 | 538.3 | 9.5 | 3.0 | 88.0 | 30.0 | DARK PINK | 2654.7 | 49.3 | 9.0 | 1.1 | 7.9 |
| FLAME | Irvine | 3/5/1998 | 10 | 103.2 | 110.5 | 0.9 | 5587.7 | 558.8 | 7.8 | 2.0 | 71.5 | 20.0 | MEDIUM PINK | 2239.7 | 40.1 | 8.8 | 1.1 | 8.3 |
| FLAME | Irvine | 3/5/1998 | 10 | 86.9 | 93.8 | 0.9 | 3628.3 | 362.8 | 8.5 | 1.0 | 55.0 | 35.0 | MEDIUM PINK | 2140.6 | 59.0 | 10.4 | 1.2 | 8.8 |
| FLAME | Coachella | 1/4/1999 | 10 | 84.3 | 97.4 | 0.9 | 3653.3 | 365.3 | 10.0 | 1.0 | 60.0 | 29.0 | DARK RED | 2000.0 | 54.7 | 9.4 | 1.6 | 6.1 |
| FLAME | Lindcove | 1/5/1999 | 10 | 79.3 | 93.0 | 0.9 | 2745.7 | 274.6 | 10.0 | 2.0 | 103.0 | 17.0 | MEDIUM RED | 1040.8 | 37.9 | 9.2 | 1.7 | 5.6 |
| FLAME | Lindcove | 1/5/1999 | 10 | 82.0 | 94.5 | 0.9 | 3005.7 | 300.6 | 10.0 | 2.0 | 94.0 | 18.0 | MEDIUM RED | 1321.0 | 43.9 | 10.0 | 1.9 | 5.3 |
| FLAME | Riverside | 1/8/1999 | 10 | 69.5 | 78.8 | 0.9 | 1986.7 | 198.7 | 6.5 | 2.0 | 60.0 | 16.0 | LT.-MED. PINK | 956.1 | 48.1 | 10.0 | 1.7 | 6.1 |
| FLAME | Riverside | 1/8/1999 | 10 | 67.0 | 75.8 | 0.9 | 1838.9 | 183.9 | 6.5 | 2.5 | 49.0 | 30.0 | LT.-MED. PINK | 890.7 | 48.4 | 11.1 | 1.7 | 6.5 |
| FLAME | Riverside | 1/3/2000 | 10 | 82.2 | 82.2 | 1.0 | 2377.6 | 237.8 | 8.5 | 2.0 | 64.0 | 28.0 | PINK | 1203.1 | 50.6 | 10.0 | 1.7 | 6.0 |
| FLAME | Lindcove | 1/4/2000 | 10 | 84.9 | 93.3 | 0.9 | 3072.8 | 307.3 | 10.0 | 3.0 | 94.0 | 8.0 | DARK PINK | 1288.4 | 41.9 | 11.6 | 2.0 | 5.8 |
| FLAME | Lindcove | 1/4/2000 | 10 | 89.6 | 94.5 | 0.9 | 3339.6 | 334.0 | 9.0 | 2.0 | 94.0 | 19.0 | DARK PINK | 1438.2 | 43.1 | 11.8 | 2.1 | 5.6 |
| FLAME | Irvine | 1/6/2000 | 10 | 62.4 | 68.8 | 0.9 | 1432.4 | 143.2 | 9.5 | 2.0 | 44.0 | 24.0 | LT. PINK | 693.6 | 48.4 | 12.0 | 2.4 | 5.0 |
| FLAME | Coachella | 1/7/2000 | 10 | 83.5 | 89.3 | 0.9 | 3099.8 | 310.0 | 10.5 | 3.0 | 62.0 | 24.0 | VERY DARK PINK | 1636.3 | 52.8 | 10.8 | 1.5 | 7.4 |
| FLAME | Lindcove | 1/24/2000 | 10 | 82.6 | 89.4 | 0.9 | 2826.3 | 282.6 | 10.0 | 2.5 | 94.0 | 9.0 | DARK PINK | 1200.6 | 42.5 | 13.6 | 2.0 | 6.9 |
| FLAME | Lindcove | 1/24/2000 | 10 | 87.0 | 94.3 | 0.9 | 3329.2 | 332.9 | 9.5 | 2.5 | 91.0 | 20.0 | PINK | 1451.4 | 43.6 | 13.1 | 1.8 | 7.4 |
| FLAME | Irvine | 1/26/2000 | 10 | 61.9 | 68.0 | 0.9 | 1419.0 | 141.9 | 8.0 | 2.0 | 44.0 | 25.0 | LIGHT PINK | 680.8 | 48.0 | 9.8 | 2.0 | 4.9 |
| FLAME | Coachella | 1/27/2000 | 10 | 85.3 | 90.4 | 0.9 | 3312.8 | 331.3 | 8.0 | 3.0 | 61.0 | 39.0 | V. DK.-DK. PINK | 1783.7 | 53.8 | 10.3 | 1.7 | 6.2 |
| FLAME | Riverside | 1/28/2000 | 10 | 82.1 | 88.0 | 0.9 | 2957.8 | 295.8 | 9.5 | 2.5 | 64.0 | 25.0 | PINK | 1480.7 | 50.1 | 10.3 | 1.6 | 6.5 |
| FLAME | Riverside | 1/28/2000 | 10 | 83.9 | 87.9 | 1.0 | 2966.0 | 296.6 | 9.0 | 2.5 | 67.0 | 34.0 | PINK | 1448.8 | 48.8 | 9.8 | 4.6 | 6.2 |
| FLAME | Lindcove | 2/15/2000 | 10 | 83.6 | 91.4 | 0.9 | 3016.1 | 301.6 | 8.5 | 3.2 | 96.0 | 12.0 | PINK | 1234.6 | 40.9 | 11.6 | 1.7 | 6.9 |
| FLAME | Lindcove | 2/15/2000 | 10 | 86.4 | 93.6 | 0.9 | 3249.4 | 324.9 | 8.5 | 3.0 | 97.0 | 4.0 | PINK | 1358.0 | 41.8 | 10.7 | 1.6 | 6.7 |
| FLAME | Riverside | 2/15/2000 | 10 | 88.4 | 93.9 | 0.9 | 3457.5 | 345.8 | 9.5 | 2.0 | 60.0 | 24.0 | PINK | 1759.5 | 50.9 | 10.4 | 1.6 | 6.6 |
| FLAME | Riverside | 2/15/2000 | 10 | 85.9 | 88.1 | 1.0 | 2965.4 | 296.5 | 9.5 | 2.0 | 70.0 | 24.0 | PINK | 1473.5 | 49.7 | 7.8 | 1.2 | 6.5 |
| FLAME | Irvine | 2/22/2000 | 10 | 64.2 | 70.3 | 0.9 | 1575.9 | 157.6 | 2.0 | 9.5 | 49.0 | 25.0 | PINK | 751.8 | 47.7 | 12.4 | 2.2 | 8.7 |
| FLAME | Coachella | 2/23/2000 | 10 | 93.5 | 98.1 | 1.0 | 4121.2 | 412.1 | 8.5 | 2.5 | 74.0 | 23.0 | DARK PINK | 2096.4 | 50.9 | 10.2 | 1.3 | 7.7 |
