Purple Robe Locust
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Description
The Purple Robe Locust tree is a medium-sized upright tree, growing 40 feet in height with a compact, rounded form. The trunk of the Robinia Purple Robe Locust Tree is long and straight with an interesting branching pattern.
Characteristics
| Bloom Color | Purplish-pink |
| Bloom Time | Late Spring |
| Fall Color | Golden-yellow |
| Hardiness Zone Range | 4 - 10 |
| Shade/Sun | Full Sun |
| Soil Composition | Highly adaptable but must be well drained. |
| Soil Moisture | When Young; water weekly - Mature Plants; Occasional Deep Watering |
| Soil pH Level | 6.0-8.0 |
| Mature Width | 20-30 Feet |
| Mature Height | 30-40 Feet |
Zones
USDA Hardiness Zones
A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as a rough guide for landscaping and gardening, defines 13 zones by long-term average annual extreme minimum temperatures. It has been adapted by and to other countries (such as Canada) in various forms. A plant may be described as "hardy to zone 10": this means that the plant can withstand a minimum temperature of −1.1 to 4.4 °C (30 to 40 °F).
Grows in zones: 4 - 10
A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as a rough guide for landscaping and gardening, defines 13 zones by long-term average annual extreme minimum temperatures. It has been adapted by and to other countries (such as Canada) in various forms. A plant may be described as "hardy to zone 10": this means that the plant can withstand a minimum temperature of −1.1 to 4.4 °C (30 to 40 °F).
