color -- your picture shows the purple cross plant, but the title/ad states purple -- what are they?

The leaves are a dark purple--sometimes almost black. The flowers are light lavender. These are delightfully unusual, almost like nothing else that I have seen. They are generally very easy to grow. You have to try hard to kill them.

Hello! I was wondering how to care for these bulbs. What pot size, soil, lighting, and watering should I use?

These are very easy plants to grow and care for. Think about the size pot you might get an African Violet in. If you use that size pot, fill it almost to the top of the pot with potting soil that drains well. (Walmart, Target... sell small bags of potting soil.) Get a pencil or something about the size of a pencil and poke the pencil into the dirt a little deeper than the bulb is long. Stick the bulb into the hole in the dirt. The more bulbs you put in the pot, the more full the plant will look. It would be hard to put too many bulbs in the pot. Once you have put in as many bulbs as you want to, water the dirt well. I water until water seeps out of the bottom of the pot. You may need to put a little bit more dirt in the pot once the water soaks in. I water the pot once a week and I give it water until the water seeps out of the bottom. (Put the pot on a dish or something like that so the water that drains out can still be absorbed by the plant.) Put the pot near a window and watch it grow. One of the nice things about this plant is you can tell when it needs to be watered because the stems will begin to droop. If you forget to water it, don't worry, once you begin watering it weekly, it will begin to grow again.

are these the non-invasive type? (stay in a clump, does not spread all over yard like bamboo...)

Yes. They are really easy to grow and no,they don't invade the area ratio they grow .. Actually I would like the wild spreading to be a issue with this one!

How quickly do they have to be planted? Looking to give as Christmas gifts.

I planted mine within 2 wks. I would suggest planting them closer together than is recommended on the package as only about 50% of mine germinated. I bought mine as an indoor houseplant so as long as they are kept in good light I think they are OK to plant in the winter time. They have beautiful deep purple triangular leaves that fold in the evening. I love them and will probably buy more. I have two pots at home and one in my office at work!

Product Care Instructions	Planting instructions are provided. During warm weather, they usually sprout within 4 weeks.
Color	Regnellii
Unit Count	1.0 Count
Number of Pieces	20
Expected Planting Period	Fall or Spring
USDA Hardiness Zone	6, 7, 8, 9, 10
Soil Type	Amended Soil
Moisture Needs	Moderate Watering
Expected Plant Height	65 Centimeters
Expected Blooming Period	Spring to Summer
Sunlight Exposure	Partial Sun
Indoor Outdoor Usage	Outdoor, Indoor
Additional Features	Low Maintenance

Oxalis Regnellii Lucky Shamrock 20 Plant Bulbs - Green Foliage & White Flowers Spring to Summer, Indoor Outdoor Zones 6-10

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