For 50 large rectangular planter boxes for a corporate campus, the factory lead time usually depends on how standard or custom the order is. If you choose an existing mold, standard dimensions, and a common finish such as fiberglass, composite, or powder-coated aluminum, production often takes about 4 to 8 weeks after the factory receives the deposit and approved drawings. Some factories can shorten this to 3 to 5 weeks if materials are in stock and production capacity is open, but that should be confirmed in writing rather than assumed.

Custom sizes, colors, drainage systems, hidden irrigation lines, branding, or premium materials like Corten steel, stainless steel, or marine-grade hardwood typically move the lead time to 6 to 10 weeks. If the project requires samples, engineering approval, fire or wind certifications, or a special finish, allow 8 to 12 weeks. A quantity of 50 is usually a manageable commercial batch, but it can still be queued behind larger contracts, especially during peak construction season.

Delivery is a separate part of the timeline. Domestic truck freight may add 3 to 10 business days from the factory to a warehouse or campus, depending on distance and unloading arrangements. International shipping can add 4 to 8 weeks by ocean, plus customs and inland transport. In practical terms, plan for 6 to 10 weeks from purchase order to site for semi-standard planters, and 10 to 16 weeks for fully custom large rectangular boxes.

To get an accurate answer, send the factory a complete RFQ with dimensions, quantity, material, color, finish, drainage needs, delivery zip code, and required on-site date. Ask for a milestone schedule covering drawing approval, material purchase, fabrication, finishing, QC, packing, and shipment. Fast drawing approval and deposit payment can save one to two weeks. If your corporate campus deadline is tight, ask about phased deliveries, stock models, or modular planters that can be assembled on site.