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Rio Samba roses blooming in the front garden
GARDEN + LEARNING · HORT 162

A rose garden,
under observation.

A childhood memory in Iran, four Rio Samba roses in California, and the questions that show up when you pay attention.

A FIELD STUDY IN PROGRESSRead the full report ↗
THE STARTING POINT“seven-
colored
roses”
A name from childhood, still vivid.

My interest in roses began when I was growing up in Iran. My parents had a large garden around our new home. When I was eight or nine, I was especially fascinated by two roses we called “seven-colored roses.” Their flowers shifted through vivid reds, oranges, and yellows as they matured. I never learned exactly what happened when the plants later developed serious health problems and were removed.

Years later, that memory came back when I chose roses for my own garden. I bought five Rio Samba plants, gave one to my parents, and kept four. Their color reminded me of those roses from Iran, though I can’t identify the childhood plants as the same cultivar.

That became the personal question at the heart of my HORT 162 report: why can roses that look equally promising at first perform so differently?

WHAT I’M LEARNING TO NOTICE

Look first.
Conclude later.

01

Same yard, different conditions

The two wall-side Rio Sambas performed better overall than the two near the sidewalk. Sun and irrigation also differ across the garden, so location is a clue to investigate, not an answer by itself.

02

A symptom isn’t a diagnosis

June photographs show holes and missing leaf tissue. Sawflies are one possibility in the report, but closer inspection would be needed to identify the cause.

03

Notes make the next season useful

Recording plant location, watering, maintenance, and symptoms should help me ask better questions as I keep learning horticulture.

THE COMPLETE CLASS REPORT

Hybrid tea rose

Read all nine revised sections, with the original figures, tables, and references.

WORK IN PROGRESSREAD THE REPORT ↗

The report is presented as a designed page in this site. It remains a revised draft, and sections 10–12 have not been drafted.