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Koh-Sai
Reference photo

hybrid tea · Year unknown

Koh-Sai

✦ moderate fragrance

100-150 cm

Height

Repeat

Blooming

Full sun

Light

6–9

Zone

Plant & Flower Traits

Rose type

hybrid tea

Bloom size

Medium

Bloom habit

Usually solitary.

Petal count

30-35

Flowering

repeat blooming

Habit

upright

Color

yellow

Fragrance

moderate

Foliage

Dark green.

Foliage surface

Semi-glossy.

Fragrance Notes

Pleasant, spicy rose scent.

Color Description

A mix of golden yellow and orange shades with red tinges.

🌱 Growth & Garden Habits

Light

Full sun

Height

100-150 cm

Spread

60-90 cm

Soil

Well-draining, fertile, slightly acidic soil.

Hardiness Zone

Zone 6–9

Disease Resistance

Moderate.

🌿 Care Guide

Watering

Regular watering required, keeping soil consistently moist but not waterlogged.

Fertilizer

Apply a balanced rose fertilizer during the active growing season.

Pruning

Prune in early spring to remove dead or weak wood and shape the bush.

Pests & Diseases

Typical rose issues; monitor for black spot and aphids.

🧬 Pedigree

Unknown

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