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Gardening Calendar


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SDGC GARDENING CALENDAR

Refer to SDGC News In Bloom for details.

JANUARY

General - Stay out/off of garden & lawn


Plant - Plant if ground is frost-free: bare root fruit trees, shrubs

- Start lettuce, cabbage, cauliflower in cold frames


Prune - fruit trees, cane fruits


Plant Health - Fungicide: fruit trees & canes, roses

- Leaf curl: peaches

- Lime, boron if necessary


FEBRUARY

General - Water esp. under eaves, evergreens if rainfall is low


Plant - Start: tuberous begonias, hardy annuals

- Pot up geraniums, take cuttings

- Sprout early potatoes

- Plant: sweetpeas, rhubarb, shallots, broad beans, peas, leeks, radish, parsley, fruit trees & canes, shrubs, roses

Prune - Fruit trees & canes, blueberries

- Cut back old leaves: Hellebore

- Cut at 15 cm: buddleia, summer-blooming clematis 


Plant Health - Spray fungicide if not done in January

- Moss control: aluminum sulphate 

- top dress perennials,

-  In-ground fertilize ornamental & fruit trees

- Fertilize berries

- Aerate soil if not waterlogged


MARCH

General - Water esp. under eaves, evergreens if rainfall is low

- Compost unrotted perennials/vegetation once bees, ladybugs have emerged from hibernation


Plant - Plant: lettuce, cabbage, cauliflower

- Sow grass seed after 20th

- Tie-up climbing roses, clematis, cane fruits 

Start: tender annuals, tomatoes, strawberries, onions, chard, spinach, parsnips


Prune - Roses when the forsythia blooms

- Trim hedges


Plant Health - Prepare ground/Turn vegetable patch

- Top dress/fertilize annuals

- Top-dress nitrogen: roses

- Top-dress compost, organics: evergreens

- Feed ammonium sulphate or fish fertilizer: rhubarb


APRIL

General - Water esp. under eaves, evergreens if rainfall is low

- Compost unrotted perennials/vegetation once bees, ladybugs have emerged from hibernation


Plant - bedders, summer bulbs, perennials, container plants


Prune - winter heathers


Plant Health - Feed spring flowers

- Mulch

- Water during morning


MAY 

General - Plan for successive vegetable crops. Follow crop rotation plan.


Plant - Vegetables, annuals, container-grown plants

- Last chance for lawn seeding before summer


Prune - Late-spring blooming trees, shrubs, perennials


Plant Health - Fish fertilizer on broad-leaf evergreens

- Black spot - spray with skim milk mixture

- Water as needed

- Mulch, top dress to suppress weeds


JUNE

General - Deadhead, water, allow biological controls to grow/live in garden


Plant - Container plants

- Stake floppy plants

- Divide iris, spring perennials


Prune - Spring bloomers - cut off dead foliage, seedpods

- Thin tree fruits, grapes


Plant Health - Fish fertilizer on container plants

- Black spot - spray with skim milk mixture

- Water as needed, deeply but not too often

- Mulch, top dress to suppress weeds



JULY

General - Water, deadhead, mulch


Plant - Fall vegetables, bulbs

- Spring annuals

- Take soft wood cuttings


Prune - Lightly: heather, wisteria

- Hedges, espalier trees

- Cut out flower/fruit wood: rambler roses, canes


Plant Health - Powdery mildew - does not affect plant production

- Black spot: spray with skim milk mixture

- Water, mulch, fertilize as needed


AUGUST

General - Water, deadhead, mulch, eat veggies


Plant - Spring bulbs and seedlings, lettuce, leeks

- Container plants


Prune - Top tomato plant at 4th truss

- Black spot: spray with skim milk mixture

- Deadhead


Plant Health - Feed: fish/other fertilizer

- Water deeply, not too often


SEPTEMBER

General - Bare earth yields weeds, soil erosion, dead bees. Let plants die naturally and rot in place, returning nutrients to soil and sheltering beneficial insects.


Plant - Seed lawns, onions

- Bulbs, spring bloomers, container plants


Prune - Hedges


Plant Health - Fertilize: fall bloomers, strawberries

- Mulch trees

- Water as needed


OCTOBER

General - Bare earth yields weeds, soil erosion, dead bees. Let plants die naturally and rot in place, returning nutrients to soil and sheltering beneficial insects. Dried stems/flower heads give winter interest as well as seeds for birds.


Plant - Indoor herbs

- Bulbs, ground & forcing

- Evergreens, shrubs, trees, rhubarb

- Lawn seed until 10th

- Divide peonies


Prune - Take geranium cuttings

- Summer flowering wood


Plant Health - Feed: fall bloomers

- Dig, store tubers, corms

- Leave dying plants as mulch EXCEPT

- Roses: Pick up all leaves (black spot)


NOVEMBER

General - Keep off the garden, grass. Compressed soil damages roots.


Plant - Garlic, bare root plants


Prune - Roses: 1/3 to 1/2 in height


Plant Health - Roses; Pick up all leaves (black spot)

- Lime


DECEMBER

General - Keep off the garden


Plants - Bare root trees


Prune - Rose if not done in Nov.


Plant Health - Dormant spray fruit trees

- Protect tender plants from frost, ice at roots

- Clean tools, oil, sharpen


-- Angelika  (member of South Delta Garden Club)