Iris PCH 'Yellow' (Pacific Coast Hybrid Iris) - This Pacific Coast Hybrid Iris forms clumps of tough evergreen foliage grow to 12 to 18 inches tall and spreads to 2 to 3 feet wide. It produces light yellow flowers with gold throats and maroon veins in spring.
As with other Pacific Coast Hybrid Iris it is best to plant this iris in a light acidic soil in full sun (coastal only), light shade, morning or late afternoon shade and water sparingly in coastal areas and more regularly inland. Plants are hardy to 15-20 degrees F or slightly lower for short duration. Transplanting or dividing and replanting should be done in December. In heavy alkaline conditions that are often found in southern California soils the addition of peat moss or soil sulfur is recommended, and with very heavy soils applications of gypsum can be beneficial.
The Pacific Coast Hybrid Iris are a diverse group of plant derived from various California and Oregon native species, in particular Iris douglasiana, Iris innominata, and Iris munzii. They are noted for their attractive clumps of foliage that usually are under a foot tall with leaves that are usually dark green and shiny and large showy flowers ranging in color from white, yellow, red and blue with nearly all shades between that are held one to two per flowering stem in spring. We have grown many varieties over the years and sometimes offer them in blocks of mixed colors. For more information see the Society for Pacific Coast Native Iris. We first purchased our stock on this cultivar from Cornflower Nursery and have grown and sold this very nice clean yellow flowering cultivar since 1993.
The information about Iris PCH hybrid 'Yellow' that is displayed on this web page is based on research conducted in our nursery's horticultural library and from reliable online resources. We will also include observations made about this plant as it grows in our nursery gardens and other gardens that we have visited, as well how the crops have performed in containers in our nursery field. We also incorporate comments that we receive from others and welcome hearing from anyone with additional information, particularly if they share cultural information that aids others growing this plant.
Please note that after 46 years in business, San Marcos Growers will be discontinuing nursery operations by the end of 2025 and the property will be developed for affordable housing.
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