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Frequently Asked Questions MY LEAVES LOOK A LITTLE TIRED AND WEAK? No matter what you do, they will seem at times to be unhealthy and lose their leaves. When this happens, they are “tired,” so let them “rest.” Shamrocks are bulbs, and they require a dormant period every once in a while. Restrict all watering. As with any bulb, let the leaves die back naturally. Do not remove any leaves until they are brown. In most indoor-grown shamrocks, this dormant period occurs 2 to 3 times a year. WHERE CAN THESE BE PLANTED IN LANDSCAPE? These are at home in moist environments. For a long period from spring into fall, the profusion of flowers can be appreciated up close or from a distance. This cheery spring bloomer is at home in partial or full shade and moist, humusrich soil, making it an ideal for the woodland garden, borders, containers, window boxes, edging, or mass planting. CAN THESE BE GROWN IN THE HOME? A happy indoor oxalis will produce lots of flowers during the winter if kept warm enough. Keep them on a window sill that doesn’t get direct full sun and they will brighten the dreary late winter or early spring days. HOW DO I WINTERIZE THEM? If outside in a cold winter area where it does freeze but stays above 5F, just leave them alone. They will lose their leaves and go dormant waiting for the next spring. If you live where it does not freeze or bring them inside the home during the winter, they will probably lose their leaves gradually. Reduce your watering if that occurs. They will come back in about 4 to 6 weeks. DO THEY NEED GROOMING OR PRUNING? They should be groomed after each major flush of blooming. Just cut away the old flower stems leaving the leaves alone. This really stimulates them to re-bloom even off season. For heavier pruning, these can be pruned completely to the soil level at anytime their foliage turns brown. They will rest for about 4 to 6 weeks and start right back up. Thank you for your order! Take your gardening experience to new heights by visiting Roberta’s Unique Gardens. Our goal is to enhance your gardening enjoyment by providing you with top quality, leading edge perennials and annuals that are suitable for your garden and home with the best service imaginable. Working with growers and breeders from all over the world, Roberta’s is able to bring you hard-to-find plants and new species that will be sweethearts for years to come. Thank you for bringing us into your home, Eric, Kevin, and Koort Wallien Lucky Charmed Shamrock Oxalis (Oxalis triangularis, deppei pink, regnellii) When your plant arrives from Roberta’s, remove from the shipping box immediately. When ready to plant, do the job as early in the day as possible to avoid extreme soil temperatures that prevent proper water uptake from the roots. Water them in well and whisper a few words of wisdom. planting and growing guide Roberta’s is a 4th generation family owned business and has been one of the leading commercial exhibitors at flower and garden shows for over 50 years in the U.S. and abroad. We search the globe to find easy-to-grow plants that are unique in themselves or their variety making them nearly impossible to find elsewhere. Our passion and commitment continually asks the question, “What makes a better, unsurpassed, and more beautiful flower to behold?” First Things First... Remove plastic bag and sleeve from around potted plant(s). Discard any packing material clinging to the leaves or soil. Pull away any yellow or brown leaves that may have occurred during transit. If you can not plant it into garden or larger pot within a few days, make sure it stays well watered. Roberta’s Gardens 1-800-428-9726 Monday – Friday 8:30 am – 4:30 pm EST Thank you for bringing us into your home www.robertasinc.com quick reference planting guide light/sun exposure: Full to Partial Shade usda hardiness zones: 7 to 11 planting distance: 12-15 inches mature height/spread: 6-12 inches 12-15 inches ) bloom time: Spring to Autumn planting instructions: Remove plastic bag and/or sleeve from around potted plant(s). Transplant into the garden as soon as evening temperatures stay above 50F. (soil preparation, depth, which end is up, etc.) Planting Guide 1 step 2 step Remove plastic bag and/or sleeve from around potted plant(s). Discard any packing material clinging to the leaves or soil. Pull away any yellow or brown leaves or spent flowers that may have occurred during transit. If you cannot plant it into garden or larger pot within a few days, make sure it stays well watered. Transplant into the garden as soon as evening temperatures stay above 50F. Dig holes twice the width of the root ball and about 5 to 6 inches deep. Place them in their holes. Pack soil firmly around roots. Fill with soil and pack in firmly covering entire root zone. Water again. Plants prefer partial to full shade. 3 Rather than in the garden you may re-pot into large containers. Repot the plants into at least 8 inch pots separately or together inside one larger container. 4 Planted now they will produce flowers in spring through autumn if not longer. step step Continuing Care PLANT PREPARATION Remove plastic bag and sleeve from around potted plant(s). Discard any packing material clinging to the leaves or soil. Pull away any yellow or brown leaves that may have occurred during transit. If you cannot plant it into garden or larger pot within a few days, make sure it stays well watered. POTTED PLANTS Repot the plants into larger 8 inch pots separately or together inside one larger container. SOIL They like bagged potting mixes for houseplants that will drain well. Most garden centers carry various brand names with perlite, vermiculite, soil and sand. GARDEN PREPARATION If you live where it rarely dips below 5F they may be planted directly into the garden. If your soil is clayish amend it with a standard garden soil for adequate drainage. HOUSEPLANTS A happy indoor oxalis will produce lots of flowers during the winter if kept warm enough. Keep them on a window sill that doesn’t get direct full sun and they will brighten the dreary late winter or early spring days. PLANTING SPACING If planting into the garden space them 12 to 15 inches apart. If planting into a container allow for adequate air ventilation on deck or patio. PLANT HEIGHT AND WIDTH These will grow up to maximum of 6 to 8 inches tall and 12 to 15 inches wide. WATER Water the plants thoroughly letting the excess water drain through the bottom of the pot. Be sure to keep excess water out of any tray underneath pot. Keep moist, during the spring and summer repeating twice a week all summer long. Water less in winter allowing the soil to dry a little. FERTILIZER To promote more flowers use a well balanced fertilizer like Roberta’s Flower Magic Plant Food (M7503) twice a month April through October. LIGHTING Partial or full shade is best in summer. In the winter inside the home, bright light is sufficient. BLOOMING They will bloom in summer through fall. In the home where kept warm they may bloom some in the winter. TEMPERATURE ZONE 7 to 11 In pots, these are hardy down to about 15F without damaging the plant. In the ground they will withstand about 5F. WINTER SEASON If outside in a cold winter area where it does freeze but stays above 5F, just leave them alone. They will lose their leaves and go dormant waiting for the next spring. If you live where it does not freeze or bring them inside the home during the winter, they will probably lose their leaves gradually. Reduce your watering if that occurs. They will come back in about 4 to 6 weeks. PRUNING AND GROOMING They should be groomed after each major flush of blooming. Just cut away the old flower stems leaving the leaves alone. This really stimulates them to re-bloom even off season. For heavier pruning, these can be pruned completely to the soil level at anytime their foliage turns brown. They will rest for about 4 to 6 weeks and start right back up. Additional Reference Oxalis shipped as shown Oxalis Deppei Pink in pot Oxalis Regnelli and Triangularis in hanging basket Oxalis Triangularis in pot Oxalis Triangularis 10-2010-R0