Citrus sinensis (Sweet Oranges) - Monthly Plant Care Calendar
Written by Steve Brigham
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Gardeners in Southern California enjoy one of the finest climates in North America for growing subtropical plants, including most varieties of citrus trees. With the right choice of varieties, you can pick such favorites as lemons, limes, and oranges nearly year 'round in this mild climate.
Here's what you should be doing each month of the year for this plant in Sunset Zones 18, 19, 20, 21, 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
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PROTECT
Protect from heavy frost should it occur.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
February
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PROTECT
Protect from heavy frost should it occur.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
March
Citrus: Get plant care reminders sent to you for the plants in YOUR garden. Click below to visit each plant and their available plant care! Plant Care (21)Citrus limon 'Improved Meyer' Improved Meyer Lemon 8, 9, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 9a, 9b, 10a, 10b, 11 Lucy |
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
FERTILIZE
Feed with a fertilizer specially formulated for citrus.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
MULCH
Maintain a generous layer of mulch to conserve water use and keep roots evenly moist.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
April
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
May
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PRUNE
Prune to shape only.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
June
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
FERTILIZE
Feed with a fertilizer specially formulated for citrus.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
MULCH
Maintain a generous layer of mulch to conserve water use and keep roots evenly moist.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
July
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
August
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
September
BUY
Buy plants in containers. Choose healthy plants with lots of new growth.
PLANT
Plant in well-drained soil in full sun, using a generous amount of soil amendment. Never plant where drainage is poor.
FERTILIZE
Feed with a fertilizer specially formulated for citrus.
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PRUNE
Prune to shape only.
MULCH
Maintain a generous layer of mulch to conserve water use and keep roots evenly moist.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
October
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PEST/DISEASE INSPECTION
Inspect leaves and branches for pests such as aphids, mealybug, and scale. Check for snails.
TREAT FOR PEST/DISEASE
Discourage pests with a strong spray of water directed at the foliage. Control snails.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
November
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PROTECT
Protect from heavy frost should it occur.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
December
WATER
Water larger trees regularly but deeply during dry periods, soaking the soil out past the drip-line. Young plants should be kept evenly moist at all times. Be consistent with watering for best fruiting.
PROTECT
Protect from heavy frost should it occur.
HARVEST
If you plant both navel and valencia types, you can harvest sweet oranges from mature trees most of the year. Remember that the fruit won't ripen off the tree, so don't pick fruit until fully ripe.
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 Steve Brigham's Monthly Plant Care Reminders here.
- See all available Plant Care Reminders at the Plant Care Hub here.
- Search for plant care alphabetically here.
- Add Citrus sinensis (Sweet Orange) to one of your plant lists, learn how.
- Search our plant database for photos and more great information here.

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