What to do in your garden during September
What to plant and sow
Sow summer-flowering annuals like:
-
Tropaeolum majus (Nasturtium)
-
Tanacetum parthenium (Chrysanthemum parthenium) (Feverfew)
-
Dianthus (Carnation, Pink)
-
Helianthus annuus (Sunflower)
-
Centaurea cyanus (Cornflower)
-
Amaranthus tricolor (Joseph’s coat)
-
Cosmos bipinnatus (Cosmos)
-
Eschscholzia californica (Californian poppy)
-
Alcea rosea (Common hollyhock)
-
Zinnia elegans (Zinnia,)
-
Scabiosa atropurpurea (Sweet scabious, pincushion flower)
Herbs & Vegetables
Sow vegetables like:
-
Petroselinum species (Parsley)
-
Raphanus sativus (Radishes)
-
Lycopersicon esculentum (Tomatoes)
-
Lactuca sativa (Lettuce)
-
Daucus carota (Carrots)
-
Capsicum annuum var. longum, C. var. annuum (Sweet peppers)
-
Brassica oleracea var. capitata (Cabbages)
-
Brassica campestris var. rapa (Turnips)
-
Beta vulgaris var. cicla (Chard, Swiss chard)
-
Allium porrum (Leeks)
-
Brassica oleracea var. coulorapa (Kohlrabi)
Bulbs
Plant summer-flowering bulbs:
-
Zantedeschia aethiopica (Arum lily)
-
Canna Species (Indian shot)
-
Liatris pycnostachya (Gay feather)
-
Tulbaghia violacea (Wild garlic)
-
Zephyranthes candida (Fairy lily, white rain lily)
-
Tigridia pavonia x hybrids (Mexican shell flower, tiger flower)
-
Sprekelia formosissima (Maltese cross, Aztec lily, Jacobean lily)
-
Polianthes tuberosa x hybrids (Tuberose)
-
Ornithogalum candicans (Berg lily, white berg lily)
-
Nerine bowdenii (Giant nerine, large pink nerine)
-
Merwilla plumbea (Blue squill, blue hyacinth)
General garden maintenance
- Continue to water and feed spring-flowering bulbs.
- Plan your Summer garden. Water citrus trees well every three weeks and spray against citrus psylla;
- Water other fruit trees thoroughly every second week.
- Spray apples and pears against codling moth;
- start spraying peaches and nectarines against fruit fly every 10 days.
- Water cherries well once a week.
- Start thinning out peaches, plums, nectarines and apricots.