Seven-Son Flower (Heptacodium)

Product Code: seven

Heptacodium miconioides (Seven-Son Flower)
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Details

Seven-son Flower is a wonderful mid-sized ornamental shrub. The fragrant, white flowers are one of the few showy late summer flowers and are an excellent late summer nectar source for honeybees. These August blooms are held in whorls of seven creamy white jasmine-like flowers which leads to the common name of Seven-son-Flower. As a follow up to the flowers, the small, purplish-red drupes (fruit) are crowned by five rose colored sepals (similar to a petal). These sepals are even showier than the flowers! What else could you want in an ornamental plant? How about peeling tan bark that highlights the cinnamon brown inner bark? That is how you say "multi-season". Mature growth is 15-20' tall by 10' wide.

Planting & Care for Heptacodium Shrub 

Preparation

  • Grows to be 15-20 feet high and 10 feet wide.
  • A somewhat unique and rare plant with year-round interest.
  • Works best as a shrub border or in a woodland garden.
  • It’s a great source of nectar for butterflies in July.
  • It likes to be planted in spots that get full sun.
  • It is adaptable to most any soil type especially once established.

Opening Plant Material

  • Container - Completely saturate all container plants by putting in a larger container of water until stops bubbling, then remove the plant from the container. 

Planting Container

  • Can be planted in early spring or late fall.
  • Dig a hole no deeper than the depth of the container and 6" or more wider on the sides.
  • Slide plant from pot by tapping on the bottom of the pot.
  • With shovel or knife trim bottom 2" off of the root ball for plants in plastic containers.
  • Rotate the plant to the proper position. Never lift or move plants by the tops.
  • Place the root ball in the hole.
  • Adjust the plant height so the root crown is slightly higher than the ground.
  • Place fertilizer packets into the bottom of the hole (if purchased). *Use Our Recommended Fertilizer
  • Back-fill the hole with soil, making sure the top of the root ball is visible and slightly higher than the soil around it.
  • Firm the soil around the plant. Water well to settle soil around the root ball.
  • Water frequently when newly planted. 

Pruning - After Planting

  • Container - Although it is not essential for container plants to be pruned after planting, a light pruning to remove any broken branches during shipment and improve shape will help the looks of your new planting.
  • While Heptacodium is easy to grow, the only word of caution, is that pruning is a necessary task in creating a neat full bodied plant, be it a shrub or a tree.
  • Pruning should be done during the growing season to create more breaks.

Pruning - Through-out the Season

  • For mature plants in the landscape, pruning should be reserved for either late fall-early winter or in the early spring.
  • The flower buds form in spring and slowly mature over the summer, so an untimely pruning would certainly sacrifice autumn bloom.

 Watering - After Planting

  • Plants typically take approximately 6 weeks to establish new roots in your soil. During this period, water plants as oft en 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.

Watering - Through-out the Season

  • After the first season, plants should only be watered during extended periods without rain.
  • 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.

Go to our "Plant Features & Video Tab" for more information on container plants and how to plant them. 

 

 

Handling & Planting Guidelines

Special Features & Videos on Heptacodium Shrub

Special Plant Features & Tips

  • Plant early spring or late fall.
  • Grows to be 15-20 feet high and 10 feet wide.
  • A somewhat unique and rare plant with year-round interest.
  • Works best as a shrub border or in a woodland garden.
  • It’s a great source of nectar for butterflies in July.
  • It likes to be planted in spots that get full sun.
  • It is adaptable to most any soil type especially once established.
  • While Heptacodium is easy to grow, the only word of caution, is that pruning is a necessary task in creating a neat full bodied plant, be it a shrub or a tree.
  • Pruning should be done during the growing season to create more breaks. 

How to plant containers

 

ItemApprox Weight (lbs.)Approx Base Dimensions (diameter)Approx Height
#7 Grow Bag** 35-50 14-16" 5-8'
#10 Grow Bag** 55-70 18" 6-8'
#15 Grow Bag** 65-80 22" 6-10'
#20 Grow Bag** 75-100 24" 8-12'
1 1/4" B&B** 250-500 22" for single stems, 28" for multiple stems  8-11'
1 1/2" B&B** 325-600 24" for single stems, 30" for multiple stems  10-12'
2" B&B** 500-700 28" for single stems, 32" for multiple stems 10-14'
2 1/2" B&B** 600-1000 30" for single stems, 36" for multiple stems 10-15'
3" B&B** 850-1000 34"-36"  12-16'
3 1/2" B&B** 1000 36"  12-18'
10' B&B** 250 22"  10'
12' B&B** 325 24"  12'
14' B&B** 500 28" 14'
16' B&B** 600 30"  16'
2' B&B** 50 12-16"  2'
3' B&B** 60-250 16-22"  3'
4' B&B** 250 22-24" 4'
5' B&B** 325 22-24"  5'
6' B&B** 150-325 16-24" 6'
7' B&B** 500-700 28-32"  7'
8' B&B** 600-700 14-30"  8'
9' B&B** 700 32"  9'
#3 container* Less than 35  10" 10" 
#5 container** 40 11" 10.5" 
#7 container** 60 14" 12" 
#10 container** 80 14" 14 
#20 container** 160 19.5" 17" 
Bare Root* varies, but always lighter no soil on roots varies depending on item

*#1 - #3 containers and bare root are the only items that can be shipped FedEx and/or by our delivery trucks (see below for more information regarding pick-up and local delivery. 

**Any items over 100 Ibs., #5 - #20 containers or B&B can only be delivered by our trucks due to FedEx shipping weight and size restrictions. Our trusted trucks only deliver around a 100 miles radius from our corporate office in Waterloo, Wisconsin. Any item you order can be picked-up at our corporate office in Waterloo, Wisconsin or our new retail garden center Winterland Nursery for free (bare root orders cannot be picked up at Winterland due to lack of bare root coolers). See our estimated delivery schedule here

Growing Zones: 4-8

Bloom Time: September
Color: Green, Pink, Red, White
Plant Size: 15-20' tall by 10' wide
Flower Color: White, Pink, Red
Fruit: Red (flowers)
Sunlight: Full Sun to Partial Shade
Soil Conditions: Normal, Sandy, Clay, Acidic, Wet, Dry
Low Maintenance: Yes
Deer Resistant: No
Attracts Butterflies: Yes
Attracts Bees: Yes
Attracts Birds: No
Edible: No
Native: Yes

Product Reviews

1 item
Multi-Seasonal Interest
By whaas on January 20, 2017
This plant offers a multitude of ornamental features when few others shine. The plant blooms in August and then the calyces turn red for extended period of color throughout September. Add on the flaking tan bark for winter interest and a must have plant is born. Situate out of strong winter winds.

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