Spread the fertilizer over the soil area surrounding the plant, instead of just in a circle around the stem, and water it in. Caines holds a degree in journalism from Mercurius College in Holland and is writing her first novel. Like other varieties of red raspberries, Joan J plants do best with continuous moisture and very well-drained soil. Plant Link : Joan J. Thornless … While Joan J red raspberries do best in U.S. Department of Agriculture plant hardiness zones 3 through 8, they can grow in warmer zones if planted carefully. The fruit is large and holds its size well. © Copyright 2020 Hearst Communications, Inc. … Plant potted raspberries in the spring through early summer, placing them in the ground about 1 inch lower than the depth at which they were growing in the pot. Her work has appeared in the Dutch newspaper "De Overschiese Krant" and on various websites. Space the raspberry plants 3 to 4 feet apart in rows that are 6 to 8 feet apart, and have a one- or two-wire trellis system in place to support the plants. Overly wet conditions can encourage fungal infections, root rot and other serious problems. To plant "Joan J" raspberries, dig a hole that's large enough to fit the root system of the plant. To avoid diseases, avoid overhead watering -- water the soil at the base of the plants in the morning. Joan J. Thornless Raspberry. While bare-root plants must be put into the ground within a few days of purchase, container-grown Joan J raspberries can be planted later in the year. In the warmer parts of this variety's range, this usually occurs between December and January. Fertilize the plants yearly in early spring with a 10-10-10 fertilizer at a rate of … Provide "Joan J" raspberries with a total of 1 to 2 inches of water per week. Joan J Red Raspberry, A thornless high yielding Early fall bearing primocane ripens 10 to 14 days before the Heritage Raspberry. Palmer holds a Bachelor of Arts degree in writing and studio art from Beloit College in Beloit, Wis. Hill System for Planting Black Raspberries, Norcal Nursery, Inc: Joan J Raspberry Plant, Stark Bro's: Plant Manual for Joan J Primocane Red Raspberry, Stark Bro's: Joan J Primocane Red Raspberry, University of California Agriculture and Natural Resources: Growing Cane Berries in the Sacramento Region, How to Plant Gold Raspberry Shrubs in the Fall. In areas where hot mid-afternoon sun can damage raspberries, consider planting them on the north or eastern side of buildings, which create shadows during the warmest part of the day. Fertilizing and Pruning. Mulch around the plants with a 3-inch layer of wood chip or pine needles to prevent weeds and to promote soil-moisture retention. G.D. Palmer is a freelance writer and illustrator living in Milwaukee, Wis. She has been producing print and Web content for various organizations since 1998 and has been freelancing full-time since 2007. For a fall crop, prune all the canes to the ground in early spring. Designed to produce over a long growing season, this variety produces fruit on the tips of second-year canes in mid-summer and first-year canes in the late summer to early autumn. Bare-root Joan J raspberries can be planted during the dormant season whenever the ground is soft and nighttime temperatures are above 40 degrees Fahrenheit. Bare-root Joan J raspberries can be planted during the dormant season whenever the ground is soft and... Spring Planting. Stark Bro's: Plant Manual for Joan J Primocane Red Raspberry, The University of Maine Cooperative Extension Publications: Growing Raspberries and Blackberries, University of Minnesota Extension: Raspberries for the Home Garden, The Complete Gardener's Guide; DK Publishing. Joan J raspberry plants (Rubus idaeus “Joan J”) are high-yielding, extra large red raspberries with thornless canes. Spread the roots out as much as possible and firm the soil up well to prevent the canes from falling over. The fruit is large and holds its size well. Perform a soil test before planting to determine whether amendments with limestone or sulfur are required to bring your garden's soil within the ideal pH range of 6.0 and 6.8. When to Plant Joan J Raspberry Plants Winter Planting. Joan J Raspberry plants are totally thornless and the earliest fall fruiting thornless raspberry available. For bare-root plants, set the crown -- the area where the stem meets the roots -- at soil level, and plant potted raspberries at the same depth that they were previously growing. Start "Joan J" raspberries after the last spring frost as soon as the soil is workable. Joan J fruits on one-year canes … Patented variety Thornless raspberry plant USDA … Place the roots of the plant in the hole and backfill it. Additionally, before planting your raspberries, work a 2-inch layer of compost into the soil to promote drainage.