Ceanothus spp (California Lilac) - Monthly Plant Care Calendar
Written by Julie Bawden-Davis
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Evergreen shrubs covered in white to pale blue and violet flower clusters in the spring. Height and growth habits vary by species, from low-growing groundcovers to small trees. Fragrant blooms attract butterflies. Most species are California natives.
Here's what you should be doing each month of the year for this plant in Sunset Zones 22, 23 & 24: Find Your Climate Zone.
Click a month to be taken directly to that months plant care: January - February - March - April - May - June - July - August - September - October - November - December
January
BUY
Buy ceanothus in the winter when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
February
BUY
Buy ceanothus in the winter when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
March
BUY
Buy ceanothus in the early spring when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
PEST/DISEASE INSPECTION
Check for aphids.
TREAT FOR PEST/DISEASE
Remove any aphids with a strong spray of water.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
April
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BUY
Buy ceanothus when in bloom so you can choose the flower color.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere. If you would like to fertilize, this would be the month to apply one half-strength application of a well-balanced organic food.
MULCH
Apply a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
PEST/DISEASE INSPECTION
Check for aphids.
TREAT FOR PEST/DISEASE
Remove any aphids with a strong spray of water.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
May
BUY
Buy ceanothus when in bloom so you can choose the flower color.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 3 to 4 weeks in the absence of rainfall. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
MULCH
Maintain a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
PEST/DISEASE INSPECTION
Check for aphids.
TREAT FOR PEST/DISEASE
Remove any aphids with a strong spray of water.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
June
BUY
Buy ceanothus when in bloom so you can choose the flower color.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 3 to 4 weeks. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
PRUNE
Lightly prune for overall shape as needed after blooms fade. Deer feed on the tips of ceanothus in the wild, so prune with this in mind. Avoid overpruning.
MULCH
Maintain a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
PEST/DISEASE INSPECTION
Check for aphids.
TREAT FOR PEST/DISEASE
Remove any aphids with a strong spray of water.
July
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 2 to 3 weeks. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
PRUNE
Lightly prune for overall shape as needed after blooms fade. Deer feed on the tips of ceanothus in the wild, so prune with this in mind. Avoid overpruning.
MULCH
Maintain a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
August
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 2 to 3 weeks. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
PRUNE
Lightly prune for overall shape as needed. Deer feed on the tips of ceanothus in the wild, so prune with this in mind. Avoid overpruning.
MULCH
Maintain a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
September
BUY
Buy ceanothus in the fall when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 2 to 3 weeks. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
MULCH
Maintain a 1- to 2-inch layer of shredded bark 2 inches away from the base of the plant.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
October
BUY
Buy ceanothus in the fall when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
WATER
Water deeply every 3 to 4 weeks in the absence of rainfall. Avoid shallow, frequent waterings, as ceanothus are susceptible to root rot.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
November
BUY
Buy ceanothus in the fall when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
December
BUY
Buy ceanothus in the winter when it can be planted.
PLANT
Plant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
FERTILIZE
Ceanothus are California natives and do not generally require fertilizing. They are able to extract required nutrients from the soil and also absorb nitrogen from the atmosphere.
TRANSPLANT
Transplant ceanothus in a well-draining area of the yard. Locate on a hilly or mounded area whenever possible. Avoid planting in a low-lying area that collects water.
If you have information like this for your region and would like to share it please let us know, we'll be sure to give you writing credit and link back to your website! Click here to contact us.
You can get these instructions sent directly to your Profile page, click here to learn how.
- You can get Plant Care Reminders sent directly to your Profile page, learn how.
- See all of Julie Bawden-Davis' Monthly Plant Care Reminders here.
- See all available Plant Care Reminders at the Plant Care Hub here.
- Search for plant care alphabetically here.
- Add Ceanothus spp (California Lilac) to one of your plant lists, learn how.
- Search our plant database for photos and more great information here.

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