Black Pearl Redbud - Cercis x 'JN16'
Cercis canadensis 'JN16' PP28627
Mature Height: 20 to 25 ft.
Mature Spread: 20 to 25 ft.
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Black Pearl is a dark maroon and purple redbud with deep dark color. What sets it apart from other purple redbuds is the depth of color in the leaves foregoing lighter shades of red for deep dark purple. This redbud holds it color through the growing season and follows the leaf pattern of aces of hearts with symmetrical orderly leaves. For those looking to grow a beautiful nativar that doesn't require water maintenance after the first few years Black Pearl is an excellent choice.
During the growing season (especially in fertile conditions) Black Pearl will maintain dark purple leaves. Unlike the forest pansy, Black Pearl maintains purples color through the growing season. Like all redbud trees, the Black Pearl has captivating heart shaped leaves and small bright purple flower clusters. Redbuds are hearty and disease resistant trees, and can tolerate a wide range of soil and light conditions.
|Pink, magenta, purple
|Yellow, orange, copper and gold
|Glossy leaves emerge purple and maintain good color through summer
|Genus & Species:
|Cercis canadensis 'JN16' PP28627
|20 to 25 ft.
|20 to 25 ft.
|Adaptable, but prefers moist, but well draining soil that is rich in organic matter
|Full sun; Partial sun; Partial shade; Dappled light
|6 to 9
General care for any tree or shrub is easy, but like any living thing will require your attention. Please educate yourself and follow these simple rules.
Redbuds are an amazing and varied species of tree. General care and soil requirements are the same, although light and temperature requirements will differ based on cultivar. We sell our redbuds bare-root, we've sold thousands of redbuds this way with few problems, but they will be lightly rooted when you get them. This means your number one priority should be getting the roots established. Do this by planting early in the spring (or fall if you are zone 7a or south) and caring for the tree appropriately with slow release fertilizer and proper water (a moisture meter works wonders).
Most problems with redbuds come from poor site selection. Tougher than a dogwood, a redbud is a hardy tree with few problems when sited properly. It will tolerate full sun or shade can withstand a bit of drought, but will struggle with disease and lack of growth in poor soil.
Redbuds do prefer some shade, afternoon shade is best as morning sun decreases problems with powdery mildew, but most cultivars will grow in full sun without issue. They will not tolerate a site with standing water and prefer well-drained soil rich in organic matter. Soil composition is less important with redbuds than compaction, which happens from heavy equipment, vehicle traffic, mower traffic or even lots of foot traffic. Compacted soil is hard and lacks the natural sponge like structure that redbuds need to grow. A good rule of thumb is that if grass is struggling in an area then redbuds will too. Speaking of grass, grass should be removed in a 2-3 ft. radius around the redbud. Wood mulch should be applied and must be applied to qualify for a refund. Rock leads to extra heating and is as likely to damage your tree as protect it. Finally, redbuds can grow in costal areas, but the salts near the ocean will cause growth issues. They should not be grown south of the Florida pan handle unless your micro-climate specifically sustains existing populations of the tree.
Problems with powdery mildew can occur and if they do we recommend increased airflow and making sure your watering regiment does not wet the leaves. In very wet years or climates this problem can be unavoidable, but try pruning back some of the branches or your redbud to increase airflow. Early spring and after flowering are both suitable times to prune - following directions for proper tree pruning.
Redbud Leaf Roller Caterpillars
Leaf roller caterpillars are small and zebra striped. They will fold, roll, or paste leaves together with silk to create a home. Once again established trees should not be a problem (see below for weeping redbuds), pruning back some of the leaves can improve airflow and access to predators. If you continue to be bothered by them, we suggest stepping back 10 ft. and seeing if they are still a problem. If they are, we prefer the long term solution of creating habitat for predators, birds and tiny parasitic wasps (they don't sting) over the use of pesticides that do more harm than good. Once again eliminating some of the leaf density will give them less high quality real estate, while making them easier for predators to reach. Peeling apart stuck leaves before they receive too much damage is also helpful. We don’t recommend pesticides as these will struggle to reach the leaf rollers caterpillars, simply making them more accessible to predators and using the 10 ft. rule (view the trees from 10 feet away) are the best approaches to dealing with this important food source for birds.
Leaf Cutter Bees
We get a lot of questions about perfectly cut circles and semicircles in redbuds. These are fascinating in their own right, and you may think tiny ancient aliens visited your tree at night. This is the work of the leaf-cutter bee, which is an important native pollinator that uses redbud leaves to make its nests. Once again, living with nature and the 10 ft. rule is the best approach here.
Weeping redbuds are great trees for small spaces, use them in a home landscape for their unique appearance and beautiful qualities. They must be trained to a certain height, so if purchased below the intended size, stake them and tie them with vinyl tape periodically to help them reach the desired size. At 3-4 in height they make an interesting alternative to shrubs, at 6-7 feet they are gorgeous weeping trees.
Powdery mildew and redbud leaf rollers can be a bigger problem for weeping redbuds due to the leaves layering on top of one another that create a lack of airflow and deny access to predators. We recommend periodic pruning of your weeping redbud if you experience either of these issues. Think of it as a haircut and take your time pruning only a small amount and smaller branches if possible. Spring and summer after flowering are both good times to prune.
Love love love this tree!!
It was safely sent to me and looks beautiful in my front yard.
Got my redbud in the mail and bare root soaked and planted it the same day. It was all stick and roots upon arrival, but within days the leaves are sprouting. Very pretty dark purple leaves with some green. Love this little tree.
They were well packed and were starting to put on leaves in a couple of days.