Yellow Flag Iris
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| Plant Information | |
| Common Name | Yellow Flag Iris |
| Botanical Name | Iris pseudoacorus |
| Description | |
| Plant Type | Perennial |
| Mature Height | 4 to 5 ft |
| Mature Width | 2 to 3 ft |
| Growth Habit | Spreading |
| Bloom Color | Yellow |
| Bloom Interest | Showy |
| Bloom Period | May to June |
| Seasonal Interest | Spring |
| Foliage Color | Green |
| Foliage Type | Simple |
| Fall Color | Yellow |
| Attributes | Decorative Fruit, Deer Resistant, Wet Soil |
| Attracts Butterflies | No |
| Attracts Birds | No |
| Care | |
| Sun Exposure | Full Sun, Partial Shade |
| USDA Hardiness Zone | 3 to 8 |
| Zoned for KC Region | Yes |
| Water Preference | Wet,Moist,Well-drained |
| Maintenance Level | Low |
| Cost | Moderate |
| Watering Notes | Once established, German-Bearded Iris shouldn't need additional water unless extreme weather conditions exist. Over-watering is a common problem. Well-drained soils help prevent rhysome rot and disease. |
| Fertilize Notes | Fertilize with bonemeal, or superphosphate in early spring and about 1 month after blooming. |
| Prune Notes | Deadhead as needed. They can be cut back to 8" in mid summer. |