Sweet Autumn Clematis

Product Code: cpani

Clematis ternifolia (Sweet Autumn)
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Sweet Autumn Clematis is an excellent, small flowered variety that is very vigorous. Clusters of small very fragile white flowers bloom from September until frost. An excellent vine for split rail fences, lamp posts, and great as a groundcover. Another interesting use is to plant among larger junipers and let it climb up and through these plants. This plant likes cool moist soils, and full sun, so the juniper application is great as the ground is shaded and the tops get full sun. Trim back dead tops early in spring before new growth begins. Because this clematis is so vigorous, established plants cut back in spring can grow 15' or more in one season.

Planting & Care for Clematis Vines

Preparation

  • Clematis like to have their top growth in full sun but their roots in the shade. Roots can be shaded with plantings of groundcovers plants or with other low-growing subjects, with paving slabs or with even a deep mulch of organic matter.
  • Clematis grow well in any well-drained, reasonably rich soil containing plenty of humus.
  • They are particularly suitable for chalky soils.
  • Keep the plants permanently mulched with organic matter.
  • These are “twiners” – climbing plants that twine their new shoots entirely around a support.
  • Clematis should not be allowed to suffer from lack of moisture, so water plants well during rainless periods if the soil starts to dry out.
  • Plant in February or March.

Planting Groundcovers/Vines

  • Planting bed should consist of 6-8" of topsoil, well mixed with approximately 2" of peat moss.

Pruning - After Planting

  • Groundcovers/Vines – no pruning is needed right away.

Pruning - Through-out the Season

  • The only pruning these plants need is thinning when they become congested. This is done after flowering.
  • If renovation pruning is needed, cut down the complete plant to within 12 inches of the ground after flowering ever three to four years.

Watering - After Planting

  • Plants typically take approximately 6 weeks to establish new roots in your soil. During this period, water plants as often as every 2-4 days at the start and at least a minimum of once per week.
  • Beyond the 6 week establishment period, water once per week, unless rains occur.
  • Stick your finger into the soil around 3” to check soil moisture.

Watering - Through-out the Season

  • After the first season, plants should only be watered during extended periods without rain.
  • Clematis should not be allowed to suffer from lack of moisture, so water plants well during rainless periods if the soil starts to dry out.
  • How do you know if your plants need water? The easiest way to tell is to touch the soil around the roots. If it is moist, there is no need to water. If it is dry, give it a good soaking with the hose end (no nozzle) watering the soil only, not the leaves.
  • Stick your finger into the soil around 3” to check soil moisture.

 

Go to our "Plant Features & Video Tab" for more information & tips on caring and maintaining this plant.

Handling & Planting Guidelines

Special Features & Videos on Clematis Vines

Special Plant Features & Tips

  • Clematis like to have their top growth in full sun but their roots in the shade. Roots can be shaded with plantings of groundcovers plants or with other low-growing subjects, with paving slabs or with even a deep mulch of organic matter.
  • Clematis grow well in any well-drained, reasonably rich soil containing plenty of humus.
  • They are particularly suitable for chalky soils.
  • Keep the plants permanently mulched with organic matter.
  • These are “twiners” – climbing plants that twine their new shoots entirely around a support.
  • Clematis should not be allowed to suffer from lack of moisture, so water plants well during rainless periods if the soil starts to dry out.
  • An annual application of slow-release organic fertilizer, such as blood, fish, and bone, should be applied in the spring.
  • Clematis flower mainly in the spring, summer and fall, according to type. A few species bloom in the winter. Flowers come in all colors and they may be flat, bell-shaped, or cup-shaped.
  • The only pruning these plants need is thinning when they become congested. This is done after flowering.
  • If renovation pruning is needed, cut down the complete plant to within 12 inches of the ground after flowering ever three to four years.
  • Plant in February or March. 
Popular Sizes
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#3 Container/Grow Bag 25 10" 15" FedEx
2' - 5' Bare Root 5 - 35 5 - 15" 2 - 5' FedEx
Containers/Grow Bags
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#2 Container 15 12" 12" FedEx
#3 Container/Grow Bag 25 10" 15" FedEx
#5 Container/Grow Bag 40 14" 10" McKay Delivery*
#7 Container/Grow Bag 35 - 50 14 - 16" 1 - 2' McKay Delivery*
#10 Container/Grow Bag 55 - 70 18" 1 - 3' McKay Delivery*
#15 Container/Grow Bag 65 - 80 22" 2 - 3' McKay Delivery*
#20 Container/Grow Bag 100 - 160 24" 7 McKay Delivery*
#25 Container/Grow Bag 130 - 200 24 - 30" 8' McKay Delivery*
Bare Root
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Bare Root 5 5 - 8" (no soil on roots) 5 - 10" FedEx
12" Bare Root 5 - 10 5" (no soil on roots) 10 - 12" FedEx
15" Bare Root 8 - 10 10 - 12" (no soil on roots) 12 - 15" FedEx
18" Bare Root 10 - 15 10 - 15" (no soil on roots) 15 - 18" FedEx
2' Bare Root 15 12" (no soil on roots) 2' FedEx
3' Bare Root 20 15" (no soil on roots) 3' FedEx
4' Bare Root 25 18" (no soil on roots) 4' FedEx
5' Bare Root 30 20" (no soil on roots) 5' FedEx
6' Bare Root 35 22" (no soil on roots) 6' McKay Delivery*
8' Bare Root 40 22 - 24" (no soil on roots) 8' McKay Delivery*
9' Bare Root 45 24 - 30" (no soil on roots) 9' McKay Delivery*
1 3/4" caliper Bare Root 50 30" (no soil on roots) 5 - 6' McKay Delivery*
1 1/4" caliper Bare Root 55 32" (no soil on roots) 8 - 11' McKay Delivery*
1 1/2" caliper Bare Root 60 32" (no soil on roots) 10 - 12' McKay Delivery*
2 1/2" caliper Bare Root 65 32 - 35" (no soil on roots) 10 - 16' McKay Delivery*
Balled & Burlap (B&B)
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
2' tall B&B 50 12 - 16" 2'  McKay Delivery*
3' tall B&B 60 - 250 22 - 24" 4' McKay Delivery*
4' tall B&B 250 22 - 24"  5' McKay Delivery*
5' tall B&B 325 16 - 24" 5' McKay Delivery*
6' tall B&B 150 - 325 24 - 30"  6' McKay Delivery*
7' tall B&B 500 - 700 30"  7' McKay Delivery*
8' tall B&B 600 - 700 30 - 32" 8' McKay Delivery*
9' tall B&B 700 30 - 35" 9' McKay Delivery*
1 1/4" caliper B&B 250 - 700 22" - 28" 8 - 11' McKay Delivery*
1 1/2" caliper B&B 350 - 600 24" - 30"  10 - 12' McKay Delivery*
2" caliper B&B 600 - 700 28" - 32"  10 - 14' McKay Delivery*
2 1/2" caliper B&B 700 - 1,000 30" - 36" 10 - 16' McKay Delivery*
3" caliper B&B 850 - 1,200 34" - 38" 12 - 18' McKay Delivery*
3 1/2" caliper B&B 1,000 - 1,200 36"  3' McKay Delivery*

*McKay Delivery - This shipping method can only be used when your delivery address is within 60 miles of Waterloo, Wisconsin. McKay will hand delivery your nursery stock. We can delivey any size, but typically this shipping method is used for oversize items that FedEx cannot ship.

Growing Zones: 4-9

Bloom Time: September - October
Color: Green, White
Plant Size: can grow 15' or more
Flower Color: White
Sunlight: Full Sun to Partial Shade
Soil Conditions: Normal, Sandy, Clay, Acidic, Wet
Low Maintenance: Yes
Deer Resistant: No
Attracts Butterflies: Yes
Attracts Bees: Yes
Attracts Birds: Yes
Edible: No
Native: No

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