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Chocolate Drops

Caulanthus pilosus

Caulanthus pilosus is a species of flowering plant in the mustard family known by the common names hairy wild cabbage and chocolate drops. It is native to open, dry habitat in the Great Basin of Nevada, the Eastern slope of the Sierra Nevada to 9,000 ft (2,700 m) and surrounding regions of the United States northward to the SE corner of Oregon. It is an annual or occasionally perennial herb coated in thin hairs, especially toward the base. Caulanthus pilosus may produce many stems per plant. The leaves are oblong in shape and deeply cut into lobes, hairy, and up to 25 centimeters long. Leaves toward the top of the stem are reduced in size, sometimes linear and smooth-edged, lacking lobes. The flower is covered in thick sepals which are greenish purple to deep purple or chocolate brown, splitting to reveal the wavy-edged, light-colored petals inside. The top cluster of flowers on each stem are sterile. The fruit is a long, narrow, upward-curving silique which may approach 18 centimeters long but is only 1-1. 5mm wide. Caulanthus pilosus may produce many stems per plant. The leaves are oblong in shape and deeply cut into lobes, hairy, and up to 25 centimeters long. Leaves toward the top of the stem are reduced in size, sometimes linear and smooth-edged, lacking lobes. The flower is covered in thick sepals which are greenish purple to deep purple or chocolate brown, splitting to reveal the wavy-edged, light-colored petals inside. The top cluster of flowers on each stem are sterile. The fruit is a long, narrow, upward-curving silique which may approach 18 centimeters long but is only 1-1. 5mm wide.

Buckbrush

Ceanothus cuneatus var. ramulosus

Buckbrush (Ceanothus cuneatus var. ramulosus) otherwise known as California lilac is an evergreen shrub or tree with simple leaves and small pale blue to lavender or white flowers in profuse clusters on the ends of branches.  It is a plant in the Rhamnaceae  or Buckthorn family.  Ceanothus is one of the most common and widespread native plants in California. It may vary in appearance due to its wide distribution and because its varieties and species hybridize easily.  It will grow in sandy or serpentine soils and is often found in chaparral habitat. 

Ceanothus is tough and fast-growing but may be short-lived. 

It supports insects, especially bees. Butterflies are attracted to the flowers and are known to host 9 species of butterfly and moth with a huge total of 86 species likely. 

San Diego Ceanothus

Ceanothus cyaneus

Ceanothus cyaneus is a rare species of flowering shrub known by the common names San Diego Ceanothus and Lakeside Ceanothus. This Ceanothus is found in the mountains of San Diego County, California, and its range probably extends just into Baja California. Most of the remaining natural specimens are in a small area in the hills around Lakeside and Ramona in San Diego County. This is a tall, erect shrub which may approach 5 meters in height. Its spreading branches are gray-green, with the younger twigs a light greenish-brown. The evergreen leaves may be serrated and toothed with hairy knobs, or they may be smooth along the edges. The underside is a lighter green than the upper surface. The flower cluster may exceed 15 centimeters in length, bearing many bunches of flowers along the length of a greenish stalk. The long flowers exhibit protruding yellow anthers. The capsule fruits are about 4 millimeters long.

Ceanothus cyaneus can be tricky to grow in landscaping applications. After the first year, direct summer water will usually kill it, but it will often also die if it can't get it's roots to moisture over the summer. It's best to plant on dry rocky slopes near a damper area, such as a seasonal creek, or near an irrigated area, or even 5-10 feet from a bubbler. It does best if surrounded by rocks or other plants that can shade its roots from the sun. If happy, it produces profuse displays of flower ranging from bright blue to powder blue to dark purple in color. It does best on north facing slopes, but can also handle east or west facing slopes if there is nearby water.

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