September in the garden


Average temperatures High 90 Low 72

Rainfall 5.76 inches

Autumn arrives September 22.

The Moon

1. Moon phases.

Last quarter September 1

New moon September 8

First quarter September 15

Full moon September 23

Last quarter September 30

2. Moon sign planting dates

Above ground crops: 7, 8, 11, 12, 16, 17, 21, 22.

Below ground crops: 3, 4, 26, 27, 30.

Control weeds: 1, 2, 18, 19, 20,28, 29.

Prune trees & shrubs: 5, 6, 13, 14, 15, 23, 24, 25.

What to Plant

3. Vegetables: Early plantings include lima bean, snap bean, corn, cucumber, eggplant,

pepper, southern pea, rhubarb, squash, and tomato; End of the month crops include broccoli,

cabbage, celery, collard, endive, lettuce, mustard, onion, radish, strawberry and turnip

4. Flowers: Ageratum, angelonia, begonia, blue daze, butterfly weed, cat's whiskers, celosia,

cleome, coleus, coreopsis, cosmos, garden mums, gaura, gazania, gerbera, goldenrod,

gomphrena, heliotrope, impatiens, jacobinia, lantana, marigold, melampodium, nicotiana,

pentas, periwinkle, ruellia, salvia, sunflower, sweet alyssum, torenia, verbena and zinnia

5. Herbs: Anise, basil, bay laurel, borage, chives, coriander, dill, lemon balm, lavender, Mexican

tarragon, mint, parsley, rosemary, sage, sweet fennel, sweet marjoram and thyme.

6. Bulbs: African iris, agapanthus, amaryllis, blackberry lily, bulbine, calla lily, crinum,

crocosmia, day lily, gladiolus, kaffir lily, narcissus, society garlic, spider lily, rain lilies and

walking iris.

Fruit and vegetable care

7. Clear weeds from garden sites and till the soil prior to planting.

8. Improve sandy soils with compost, peat moss or garden soils.

9. Start the vegetable garden with all the warm season crops.

10. Harvest sweet potatoes when the ground swells with the thick roots at the base of the plants.

11. Provide trellises for tomatoes and taller growing crops.

12. Install soaker hoses or micro-sprinklers to conserve water.

13. Use mulches to stretch the time between waterings and keep soil off leafy crops.

14. Consider adding vegetables to containers for patio and balcony gardens.

15. Add fresh potting soil to containers before replanting.

16. Irrigate citrus trees once or twice a week during dry weather to maintain the fruit.

17. Start seedlings of fall cool season crops.

18. Caterpillars are affecting late summer plantings; hand pick or control with natural sprays.

19. Create raised beds in poorly drained garden sites.

20. Rejuvenate herb gardens with fresh fall plantings.

21. Feed vegetable gardens every three to four weeks; container gardens weekly.

22. Prepare strawberry beds for planting.

23. Finish feeding apple, grape and peach trees.

24. Begin citrus tree feedings towards the end of the month.

25. Harvest ripening avocado, banana, papaya, pineapple and persimmon fruits.

26. Start new pineapples from fruit tops and off shoots from established plants.

27. Continue to give banana, papaya and pineapple plantings a monthly feeding.

28. Give all fruit trees a final light trimming before winter if needed.

Lawn care

29. Add new sod or plugs to summer damaged lawns.

30. Expect chinch bugs to continue into fall; treat at first sign of turf decline.

31. Check to make sure you have the right turf for your lawn site before planting.

32. Test your soil for the proper acidity and treat as needed.

33. Dry weather can return this month; wait to irrigate turf until leaf blades start to curl.

34. Water turf separately from ornamental plantings.

35. Complete seeding of bahia turf in early September.

36. Aerate hard to wet or compacted soils.

37. Check local ordinances to determine when lawn feedings can begin

38. Fall feedings can start in late September where permitted.

39. Treat hard to regreen lawns with an iron only product.

40. Begin fall weed control treatments at the end of the month.

41. Lawn sections with grassy weeds are usually best removed and the areas sodded.

42. Continue frequent mowings but periodically change mowing patterns.

43. Sharpen mower blades and change engine oil.

44. Thatch removal time is over; delay until spring.

45. Fill declining heavily shaded turf areas with an ornamental ground cover or mulch.

Landscape care

46. Continue to plant durable warm season flowers in landscape beds and planters.

47. Reduce pest problems by adding new soil to container gardens.

48. Till flower beds and add organic matter to sandy soils.

49. Consider using more long-lived perennials to reduce landscape costs.

50. Chrysanthemums are attractive fall flowers but they only last a few weeks in the heat.

51. Begin giving shrubs a final grooming of the growing season.

52. Give poinsettias a final pruning in early September; continue feedings.

53. Add water conserving micro-sprinklers to shrub and tree plantings.

54. Renew mulch layers with top-dressings as needed. .

55. Develop a drought tolerant and low maintenance landscape plan.

56. Prune declining fronds and flower stems from palms but leave the green.

57. Control late summer caterpillars damaging favorite plants by hand picking or natural sprays.

58. Divide perennials and replant in the garden.

59. Obtain northern bulbs to chill for forcing.

60. Add new trees and shrubs.

61. Compete palm and sago plantings.

62. Feed palms lightly through October or use a slow release fertilizer 3 to 4 times a year.

63. Begin late September shrub and perennial feedings for fall .

64. Hand pull or use chemical weed controls among plantings following label instructions.

65. Feed hanging baskets and orchids every other week.

66. Turn compost piles every other week.

67. Wait another month to plant the first cool season flowers.

68. Remove declining leaves and flowers from water lilies; give a monthly feeding.

69. Install gutters to move water away from the home and flower beds.

Greenhouse chores

70. Install drip irrigation to save water.

71. Start seed for cool season flowers and vegetables.

72. Repot root bound foliage plants.

73. Transplant rooted cuttings.

74. Feed all container plantings every other week or use a slow release fertilizer.

75. Start papaya seeds to produce transplants for spring.

76. Clean used containers with a bleach solution before replanting.

77. Repair greenhouse benches for fall and winter use.

78. Wash or replace greenhouse coverings to obtain better light for plantings.

Foliage & house plant care

79. Give holiday cactus a final light feeding and reduce waterings.

80. Decide which plants to bring indoors for the cooler months.

81. Perform final pruning of foliage plants set outdoors for the summer.

82. Transplant foliage plants needing new containers to prepare for cooler fall weather.

83. Feed foliage plants monthly or use a slow release fertilizer according to the label.

84. Remove dust and pests with soapy water.

85. Make cuttings to increase the collection.

86. Replace declining plants for fall.

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