Porcupine Grass (Miscanthus sinensis 'Strictus') Porcupine Grass is a tall columnar ornamental grass that grows in clumps and can reach 5 to 8 feet in height and 3 foot in width with horizontal golden yellow bands. Blooms in mid to late summer with red bronze flowers. Great for narrow areas or in a planter. Grows in USDA zones 4-9. Similar in color to zebra grass, porcupine grass tends to stay vertical while zebra grass arches and flops. May be trimmed to fit in a 24 or 36 inch shipping box in summer. Ships dormant pruned to 3-4 inch in winter. Ships UPS. Price includes shipping to most locations. We can not ship these trees to PO Boxes, AK, HI, remote areas, or US Territories, without a freight surcharge. All plants are inspected for quality prior to shipment. Let us know upon arrival if you have any concerns regarding your plant's condition. If your temperatures are warmer than 89 degrees or colder than 20 degrees, please wait until temperatures improve before ordering. Scenic Hill Farm is a licensed Oregon Nursery 1/25