shrubN. America Native

Diamond Heights California Lilac

Ceanothus griseus 'Diamond Heights'

The Story

Plant Bio

A low-spreading evergreen shrub prized for its striking variegated foliage of chartreuse and dark green.

This cultivar is a sport of 'Yankee Point' and is distinguished by its vibrant, variegated leaves that provide year-round color. Flowers are often sparse.

Uses & Benefits:

Ornamental UsesProvides beautiful blue flowers and silvery foliage, ideal for drought-tolerant landscapes.
Practical UsesLow maintenance and deer resistant, suitable for xeriscaping.
Ecological BenefitsSupports local pollinators and improves soil stability.
SpeciesCeanothus griseusCalifornia lilac

Essentials

At a Glance

Plant Type

Shrub

Height

12 inches

Width

60 inches

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Low

Humidity

Low

Lifespan

10-20 years

Native To

California

Toxicity

Non-toxic to humans and pets

Bloom period

Late spring – Early summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Select well-draining soil with neutral to slightly alkaline pH.
  2. Tuck seeds or cuttings into soil in early spring after last frost.
  3. Mist cuttings regularly to maintain humidity during rooting.
  4. Water deeply once a week during first growing season.
  5. Fertilize with a low-phosphorus cactus or succulents fertilizer in spring.
  6. Transplant seedlings when they are established, typically after 1 year.

Pro Tip

Provide full sun for optimal flowering and compact growth.

Keep It Thriving

Care Guide

Do

  • Water deeply during dry spells 🌱
  • Prune lightly after flowering to maintain shape 🌱
  • Apply well-balanced fertilizer in spring 🌱
  • Mulch around roots to conserve moisture 🌱
  • Monitor for pests regularly 🌱

Don't

  • Avoid overwatering to prevent root rot ❌
  • Do not fertilize in late fall ❌
  • Never prune in late summer or fall ❌
  • Avoid planting in poorly-draining soil ❌
  • Refrain from using chemical pesticides without organic options ❌

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vanilla-scented borderDrought-tolerant accent

Companion Plants

Lavender SalviaArtemisiaSedumYarrow

Multiply

Propagation Methods

Good to Know

Common Questions

Diamond Heights California Lilac questions

What zones can Diamond Heights California Lilac grow in?

Diamond Heights California Lilac is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Diamond Heights California Lilac deer resistant?

Yes — Diamond Heights California Lilac is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Diamond Heights California Lilac bloom?

Diamond Heights California Lilac typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Diamond Heights California Lilac need full sun?

Diamond Heights California Lilac does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Diamond Heights California Lilac drought tolerant?

Yes — once established (usually after the first full season), Diamond Heights California Lilac handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Grow Diamond Heights California Lilac with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.