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Grand Duchess Oxalis Planting Guide

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Another of Mother Nature's Miracles
Oxalis Grand Duchess

Mother Nature does some pretty amazing things and we're inclined to add oxalis to the “How does she do that?” category. These oxalis bulbs are small. Really tiny, not much bigger than a pencil eraser. (And the ones we sell are the largest out there.) The fact that these minute bulbs can transform themselves into sensationally colored, flowering plants in just two months is a small miracle. You owe it to yourself to see this magic act unfold. Then, maybe you'll want to share your new found secret with friends. Maybe.







Outdoor Beds
  1. Find a location where the soil drains well. If there are still water puddles 5-6 hours af soil, choose another spot. These bulbs will not survive in soggy soil or standing water.
  2. Site your oxalis where they will get full day sun. They will also grow in light shade, but will produce more flowers in stronger light.
  3. Dig little holes and plant the bulbs 1”-1 1/2” deep and 3”-4” apart. Just poke them down in the soil, don't worry about which side is up. They'll grow from any position.
  4. After planting, water well, gently soaking the soil and settling it around the bulbs. Foliage will form in about 6 weeks and flowers in 8-10 weeks.
  5. After blooming has finished for the season leave the foliage in place; don't cut it off. The leaves will gather sunlight, create food through photosynthesis and strengthen the bulb for the future. Water as needed during active growth periods; about 1" of moisture per week is a good general estimate. 
  6. Late in the summer the leaves will yellow and die back as the plant slips into dormancy. Foliage many be removed at this point. Your oxalis will rest for a month or two before beginning the next growing cycle.
Pots, Barrels, Tubs & Urns
  1. Fill your containers with good quality, well-drained soil. Almost any commercially available potting medium will work fine. Make sure there are adequate drainage holes; bulbs must never sit in waterlogged soil or they will rot.
  2. Site your oxalis where they will get full day sun. They will also grow in light shade, but will produce more flowers in stronger light.
  3. Dig little holes and plant the bulbs 1”-1 1/2” deep and 3”-4” apart. Just poke them down in the soil, don't worry about which side is up. They'll grow from any position.
  4. After planting, water well, gently soaking the soil and settling it around the bulbs. Foliage will form in about 6 weeks and flowers in 8-10 weeks.
  5. After blooming has finished for the season leave the foliage in place; don't cut it off. The leaves will gather sunlight, create food through photosynthesis and strengthen the bulb for the future. Water as needed during active growth periods; about 1" of moisture per week is a good general estimate. 
  6. Late in the summer the leaves will yellow and die back as the plant slips into dormancy. Foliage many be removed at this point. Your oxalis will rest for a month or two before beginning the next growing cycle.

 

Quantity tips:

For 12-15” pots - plant 15

For 10” pots - plant 10

For 8” pots - plant 5

 

Note: For indoor growing and windowsill decorations we recommend oxalis regnelli. Half day sun is usually sufficient. Oxalis triangularis can also be grown as a houseplant where it will develop a taller, more open form than it does outdoors. The Grand Duchess group of oxalis are best grown outdoors.




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