Garden Housecalls - Purple shamrock
* Common name: Purple shamrock * Botanical name: Oxalis regnelli (or triangularis) * What it is: A summer-blooming bulb that gets triangle-shaped leaves of purple and small hanging lilac-pink flowers for weeks in summer. * Size: 8 inches tall, plant small bulbs 6-8 inches apart * Where to use: Best in shade as front-of
The Heart and Soul nebulae are seen in this infrared mosaic from NASA’s Wide-field Infrared Survey Explorer, or WISE. The image covers an area of the sky over ten times as wide as the full moon, and eight times as high (5.5 x 3.9 degrees), in the constellation Cassiopeia.