Helsinki University Rhododendron

Helsinki University Rhododendron overview

Growing conditions and characteristics recorded for this plant.

USDA zones

• Zone 3A · -40° to -35° F
• Zone 3B · -35° to -30° F
• Zone 4A · -30° to -25° F
• Zone 4B · -25° to -20° F
• Zone 5A · -20° to -15° F
• Zone 5B · -15° to -10° F
• Zone 6A · -10° to -5° F
• Zone 6B · -5° to 0° F
• Zone 7A · 0° to 5° F
• Zone 7B · 5° to 10° F
• Zone 8A · 10° to 15° F
• Zone 8B · 15° to 20° F
• Avoid: Zone 9A · 20° to 25° F
• Avoid: Zone 9B · 25° to 30° F
• Avoid: Zone 10A · 30° to 35° F
• Avoid: Zone 10B · 35° to 40° F
• Avoid: Zone 11 · Above 40° F

Plant type

• Shrub

Sun exposure

• Morning Sun / Evening Shade
• Dappled Light / Filtered Sun

Soil

• Loam

Moisture

• Average
• Avoid: High
• Avoid: Low

Growth Rates

• Slow

Flower Color

• Pink
• Rose Pink

Attracts

• Visual Attention

Foliage Color

• Dark Green

Fragrances

• Fragrant Flowers

Season of Color

• Spring Blooms

Landscape Uses

• Woodland Border
• Mass Planting
• Border / Edger
• Background
• Shrub Border
• Landscape Beds

Growth Habits

• Upright
• Bushy

Theme Gardens

• Woodland/Shade

Level of Care

• Low

Mature height

• 5' to 6'
• 4' to 5'

Mature width

• 3' to 4'

Drainage

• Well Drained

Soil pH

• 4.5
• 5
• 5.5
• 6
• Avoid: 6.5
• Avoid: 7
• Avoid: 7.5
• Avoid: 8
• Avoid: 8.5

Height and width describe the mature plant. Missing information is shown as “Not recorded”.