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Summer Wine®

Physocarpus opulifolious  ( pronounce)
Ninebark

Plant Record

Summer Wine®
Ninebark

Cultural/Growing Information

pH: B (5.8 - 6.2)

EC (2:1 Extraction Method): B (0.6 - 0.9)

Fertilization Recommendations: M (150-200 ppm)

Rooting Out: A (65-72°F or 18-22°C)

Growing On: A (60-65°F or 16-18°C)

Holding Temperature: A (40-50°F or 4-10°C)

Light Levels: Moderate to High

Water Requirements: Moderate to Moist

Pinching/Growth Regulators: Frequent pinching will produce a full bodied container. Consider producing a Spiraea like mounding plant in a container as this will be much more appealing to the consumer.

Pest and Disease Management: Powdery Mildew can be problematic. Spider Mites are also common and should be treated as needed.

Grower Tips:

-Finishing cool outdoors will intensify foliage color. -Plants will tend to defoliate when dried down manage moisture carefully.

Special Notes: High container soil temps may require the use of shade. In the landscape the plant tolerates the high summer temperatures just fine. Very tough, will withstand acid and alkaline soils, and dry situations.

Vernalization: Required

Spring Outdoor Finish?: C - Last to go outside

Over wintering Temperature (Zones 2-7): polyhouse

Shade Requirements: Light shade with high heat

Heat Zone (high to low): 7-1

Type: Deciduous

Flowers On: Old Wood

Planting & Timing Information (Nursery): Spring to Fall, 1 ppp

Planting & Timing Information (Greenhouse): Spring to Fall Finish, 1 ppp

1 GL or 8"/ 50 tray (Greenhouse): 12-24 weeks, 2-4 pinches

1GL or 8"/ 2.25" (Greenhouse): 8-10 weeks, 1-2 pinches (pinch new growth only)

1 GL or 8"/ 2.25" - Pinch (Nursery) 6-8 weeks, 2 pinches

1 GL or 8"/ 2.25" - Shear (Nursery) 8-10 weeks, 2 shears

1 GL or 8" / Quick Turn - Pinch (5" liner) (Nursery): 3-4 weeks, 1-2 pinches

1 GL or 8" / Quick Turn - Shear (5" liner) (Nursery) 4-6 weeks, 1-2 shears

2 GL / 2.25" - Pinch (Nursery): 10-12 weeks, 2-3 pinches

2 GL / 2.25" - Shear (Nursery): 12-16 weeks, 2-3 shears

3 GL / 2.25" - Pinch (Nursery): 12-16 weeks, 3-4 pinches

3 GL / 2.25" - Shear (Nursery): 16-20 weeks, 3-4 shears

3 GL / Quick Turn - Pinch (5" liner) (Nursery): 8-10 weeks, 3-4 pinches

3 GL / Quick Turn - Shear (5" liner) (Nursery): 12-16 weeks, 3-4 shears

3 GL / 1 gallon shift - Pinch (Nursery): 5-6 weeks, 2-3 pinches

3 GL / 1 gallon shift - Shear (Nursery): 8-12 weeks, 2-3 shears

5 GL / 1 gallon shift - Pinch (Nursery): 10-14 weeks, 3-4

5 GL / 1 gallon shift - Shear (Nursery): 16-20 weeks, 3-4 shears

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