P.J.M. Rhododendron

Product Code: rpjmx

Rhododendron 'P.J.M.'
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Details

The leaves are 1" by 2 1/2" on the P.J.M. Rhododendron and usually elliptic, leathery and dark green. Foliage changes to a plum-purple in fall, persisting through winter. Flowers are a spectacular bright lavender-pink, covering the rounded plant in late April. This plant prefers adequate drainage and does well with the protection of an eastern exposure. Needs acid, moist, well-drained soils. Does best in part shade. This plant matures to be around 3-6' high and wide.

Planting & Care for Deciduous Shrub – Rhododendron

Preparation

  • P.J.M. Rhododendron is a hardy hybrid. These plants are valued for their resistance to severe weather and the ability to prosper in windy gardens.
  • Grows to be around 3-6’ high and wide.
  • Soil must be acid and well-drained, cool and moist throughout the year an fortified with moisture-conserving organic matter.
  • Dig in plenty of well-rotted manure, garden compost, or leaf mould before planting.
  • Easy to manage and blooms are large, showy and have pointed leaves.
  • Plant in April, July-August.
  • Prune in May and June.

Opening Plant Material

  • Containers - Completely saturate all container plants by putting in a larger container of water until stops bubbling, remove. Now ready to plant. Dig a hole no deeper than the depth of the container and 6" or more, making sure it’s wider on the sides.

Planting containers

  • Plant in spring and fall
  • 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.
  • Notice where the base of the trunk flairs out from the tree. This is called the root flair. This root flair should show when the tree is planted. If necessary, add soil under the ball so the root flair is exposed.
  • Place fertilizer packets into the bottom of the hole (if purchased). *Use Our Recommended Fertilizer.
  • Backfill 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.

Pruning - After Planting

  • Containers - Although it is not essential for containers to be pruned after planting, a light pruning for shape, to remove any broken branches from shipping, or to thin out a heavily branched plant will help in the transplanting process and in the appearance of your new planting.

Pruning - Through-out the Season

  • Prune in May and June.
  • When pruning snap off spent blooms when petals fall, to channel energy away from seed production and into strong new growth. Be sure not to damage new leaves in the process.
  • Keep mature bushes youthful and packed with blossom in spring by removing one in three of older, black-barked stems when flowers fade.

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.
  • 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 Deciduous Shrubs - Rhododendron

Special Plant Features & Tips

  • The leaves are 1" by 2 1/2" on the P.J.M. Rhododendron and usually elliptic, leathery and dark green.
  • Foliage changes to a plum-purple in fall, persisting through winter.
  • Flowers are a spectacular bright lavender-pink, covering the rounded plant in late April.
  • The original hybridization work of this Rhododendron was started in the late 1930s to early 1940s by Massachusetts nurserymen Edmund Mezitt and his father, Peter J. Mezitt, whose initials became the name for the group.
  • Prune in May and June.
  • When pruning snap off spent blooms when petals fall, to channel energy away from seed production and into strong new growth. Be sure not to damage new leaves in the process.
  • Keep mature bushes youthful and packed with blossom in spring by removing one in three of older, black-barked stems when flowers fade.
  • P.J.M. Rhododendron is a hardy hybrid. These plants are valued for their resistance to severe weather and the ability to prosper in windy gardens.
  • Grows to be around 3-6’ high and wide.
  • Soil must be acid and well-drained, cool and moist throughout the year an fortified with moisture-conserving organic matter.
  • Dig in plenty of well-rotted manure, garden compost, or leaf mould before planting.
  • Easy to manage and blooms are large, showy and have pointed leaves.
  • Plant in April, July-August.

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: 4-7

Bloom Time: April
Color: Green, Purple, Red
Plant Size: 3-6'
Flower Color: Bright lavender-pink
Fall Color: Plum purple
Sunlight: Partial Shade
Soil Conditions: Normal, Sandy, Clay, Acidic
Low Maintenance: Yes
Deer Resistant: No
Attracts Butterflies: No
Attracts Bees: Yes
Attracts Birds: No
Edible: No
Native: No

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