Ceanothus herbaceus  is an erect shrub, ranging between 0.5 and 1 meter in height.
 The shrub is mainly hemispheric in shape with its branches varying from ascending to spreading.
 The distal branchlets, which grows from the main stem are flexible and have internodes between 12–31 mm long.
 They are usually smooth in texture and green in color.
 The bark of the stem is grayish brown, and the stipules, which are outgrowths on either side of the base of a leaf stalk, are thin and deciduous.

The leaves of the shrub are alternate and deciduous.
 The petiole, which attaches the leaf blade to the stem, is approximately 3–5 mm long.
 The leaf blades vary between 35–74 mm longitudinally and 10-32 mm laterally and come in a diverse shapes, including wide, narrowly elliptic to lanceolate, eventually narrowing to acute to obtuse point at the apex.
 Three veins arise unevenly just above the leaf base.
The leaves are serrated with rounded teeth around the margin; about 37-71 per leaf.
 The upper surface of the leaf is dull green and nearly glabrous.
 The lower surface is dull green with long, soft unmatted hair, often drying rusty brown.
 The shrub has a terminal inflorescence which is approximately 15–30 mm long.
 It is panicle-like and maintains a hemispheric shape.
 Holding the inflorescence and providing it support is a long stem, known as peduncle.
 It is typically 26–48 mm in length, usually with a few reduced leaves near the base.
 Rachis, which is the main axis of the inflorescence, and peduncles are puberulent to somewhat tomentulose.
 Pedicel, a stem that attaches single flower the main stem of the inflorescence, is about 5–11 mm long and often glabrous.
Ceanothus herbaceus  is an erect shrub, ranging between 0.5 and 1 meter in height.  The shrub is mainly hemispheric in shape with its branches varying from ascending to spreading.  The distal branchlets, which grows from the main stem are flexible and have internodes between 12–31 mm long.  They are usually smooth in texture and green in color.  The bark of the stem is grayish brown, and the stipules, which are outgrowths on either side of the base of a leaf stalk, are thin and deciduous.
The leaves of the shrub are alternate and deciduous.  The petiole, which attaches the leaf blade to the stem, is approximately 3–5 mm long.  The leaf blades vary between 35–74 mm longitudinally and 10-32 mm laterally and come in a diverse shapes, including wide, narrowly elliptic to lanceolate, eventually narrowing to acute to obtuse point at the apex.  Three veins arise unevenly just above the leaf base. The leaves are serrated with rounded teeth around the margin; about 37-71 per leaf.  The upper surface of the leaf is dull green and nearly glabrous.  The lower surface is dull green with long, soft unmatted hair, often drying rusty brown.  The shrub has a terminal inflorescence which is approximately 15–30 mm long.  It is panicle-like and maintains a hemispheric shape.  Holding the inflorescence and providing it support is a long stem, known as peduncle.  It is typically 26–48 mm in length, usually with a few reduced leaves near the base.  Rachis, which is the main axis of the inflorescence, and peduncles are puberulent to somewhat tomentulose.  Pedicel, a stem that attaches single flower the main stem of the inflorescence, is about 5–11 mm long and often glabrous.
Ceanothus herbaceus