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Graham Thomas

Last revised by localroot - 8 Jun 2026, 22:42

Graham Thomas

Graham Thomas is an English shrub rose with important UK source coverage. It should be recommended with disease caveats and regional expectations, not as a universal low-maintenance yellow rose.

Growing notes

In UK-style conditions, RHS guidance is directly relevant. In humid US summers, black spot management may be more important. In small spaces, account for arching shrub habit.

What to photograph

  • Whole plant from several feet away, including support or container.
  • A fresh bloom and an older bloom.
  • Leaf upper and lower surfaces.
  • Cane base, graft or own-root shoots if visible.
  • Any disease, mite, herbicide, or RRD-like symptoms with dates and weather context.

Common cautions

  • Can be trained differently depending on climate and support.
  • Yellow roses can fade or scorch in heat, so regional tips are valuable.
  • Match advice to region, root system, and rose class before pruning or treating.
  • Use Regional Rose Care Tips and local extension or RHS guidance for climate-specific adjustments.

Community tips

  • Browse tips for this cultivar: https://roses.iwiki.net/tips?cultivar=Graham+Thomas
  • Add a tip only if it names the region, zone or climate cue, root type when known, and what worked.
  • Upvote tips that are specific and honest about tradeoffs; report unsafe pesticide or propagation advice.

Use controls lawfully: Current local product label/register wins for any pesticide, fertiliser, or soil amendment use.

Sources

Discussion log

Use comments for sourcing notes, corrections, and disputed details.

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