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Fine Line®

Rhamnus frangula  ( pronounce)
Buckthorn

Plant Record

Fine Line®
Buckthorn

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: Dry to Moderate

Pinching/Growth Regulators: A fast growing vertical plant, Give this plant a shear to a flat top look and then repeat a few times during the season to produce a fuller plant without loss of height. Normal for Fine Line to have no foliage on the bottom 8-10 inches of the plant.

Pest and Disease Management: General pest and disease practices as listed in notes. Aphids

Special Notes: High night temps can cause some defoliation in container production in zones 6b-7, shading will reduce this problem.

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: None

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): 24-36 weeks, 4-6 pinches

1GL or 8"/ 2.25" (Greenhouse): 10-14 weeks, 1-3 pinches

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): 4-6 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

First, I love your plants! I love this website! I can design all my planters before I ever go to the garden center. I have noticed that over the past two years, the garden centers in my area seem to carry fewer varieties of your plants.

Or my other pet peeve, is they grow a variety I want for THEIR planters only, so I have to buy their design to get the plant I want. Your plants are truly outstanding.

All my neighbors, my parents, even complete strangers stop to comment on my planters and ask what the names of the plants are or if they can take photos. I send them all to your website!

Thanks for offering such a great product! - Christa (MN)
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