August's garden bounty can be too much,
just enough, or too little; but it's always a starting point
in determining what to plant--or what not to plant-- next
time around. Now you know from experience that the whole packet
of zucchini seeds--or even all six plants from the pony pack--produces
just too many squash. (The refrigerator and freezer are filled
with casseroles and breads, and your neighbors hide when you
approach with your basketful of four-inch-thick zukes.) Next
time, you'll make do with just one or two plants, even though
they're so cute when they're tiny.
You'll have a winter gold mine in your garden
if you start seeds for overwintering crops this and next month.
Yes, it's too hot to think about doing anything now but harvest
and water and escape the heat, but think ahead to winter vegetable
prices--and start sowing!

The wealth of tomatoes range from thumbnail to grapefruit
size, juicy to hollow, barely there to more than a pound,
and a rainbow of colors.
Photo by Yvonne Savio,
© UC Regents, 2000. |
Sow beets, broccoli, brussels sprouts, cabbages,
carrots, cauliflower, celery, chard, endive, escarole, garlic,
kale, kohlrabi, leeks, thick-leafed and heading lettuces,
onions, parsley, peas, white potatoes, radishes, shallots,
and spinach. Savoy-leafed types of cabbage and spinach will
resist frosts better than the more tender flat-leaf varieties.
Last sowings of summer-maturing crops can also be made now--bush
beans, cucumbers, oakleaf lettuce, white seed potatoes, New
Zealand spinach, and squash.
Keep seed beds or flats moist and shaded during
the hottest portion of the day until the seeds germin-ate.
A light mulch helps keep the soil surface from crusting, especially
over tiny seeds that take a while to germinate, like carrots
and parsley. Boards laid over the seed bed also help to keep
it from drying out. Prop them up or remove them when more
than half of the seeds germinate.
Sow carrots, lettuce, and spinach a dozen or
so seeds at a time every two or three weeks from now through
October. This will provide a succession of succulent harvests
through the winter. Leafy green plants like lettuce and spinach
that are three or four inches tall and wide--or carrots that
are at least one-half inch in diameter--before the first hard
frost will be mature enough to provide harvests through early
spring. If they're smaller, they'll not provide much to eat
until spring, when they may bolt first.
When you plan the layout of your fall and winter
gardens, consider which new crops should follow those just
removed--follow heavy feeders with light feeders, and vice
versa. Heavy feeders include beets, broccoli, cabbage, celery,
collards, corn, cucumbers, eggplant, endive, escarole, kale,
kohlrabi, lettuce, okra, parsley, pumpkins, radishes, rhubarb,
spinach, squash, and tomatoes. Light feeders inlude carrots,
chard, garlic, leeks, mustard, onions, parsnips, peppers,
potatoes, rutabaga, shallots, sweet potatoes, and turnips.
Transplant seedlings after they've developed
their second set of true leaves. Carefully thin seedlings
in growing beds. If you transplant these to another area,
they'll be harvestable about a week or two later than the
plants left in the original bed. Mulch transplants to help
the soil retain moisture during the rest of the summer, and
add more in October and November for frost protection.
Sowing bulb onion seed now will provide green
onions through-out the winter and small bulb onions in late
spring. Dig these up when their tops dry, and replant them
as sets after the following January's frosts. They will develop
into full-size bulbs the following summer. (The set-size bulbs
that are larger than a dime may bolt when replanted, but they
can be used in winter recipes as "pearl" onions,
or used for their greens.)
If this sounds like too long to wait when sets
are readily available commecially, consider that many more
varieties are available in seed that produce better in our
area than the sets, which are generally from the Midwest.
Unless you purchase the sets from a reputable nursery as soon
as they are put on display in late summer or early fall, chances
are they'll bolt because they've been kept too warm for too
long. So, as inexpensive as seed is, and as simple as germinating
them is, a little effort every so often produces many more
quality green and bulb onions.
Cover young cole crop plants with spun-bonded-type
row cover or spray with Bacillus thuringien-sis (also
sold as Bt, Dipel, and Thuri-cide) to pro-tect them from cab-bage
moths. Red cabbage varieties seem to be less attractive to
the moths than the green ones.
Fertilize tasseling corn and other vegetables
that are setting--beans, cucumbers, eggplants, tomatoes, etc.--for
increased yields. Plants appreciate this extra boost in food
to use immediately in maturing their fruits. But during our
extra-hot weather, be sure to water the plants well first
so the fertilizer won't "burn" the roots.
Some vegetables are more tolerant of salty
areas in the garden. If an area has received repeated applications
of manure or other concentrated fertilizers, the salt content
may be high. Asparagus, beets, kale, and spinach do well under
these conditions, but celery, green beans, radishes, strawberries
and most fruits cannot tolerate it. Other vegetables and cantaloupes,
figs, and grapes are generally of medium tolerance.
Root cuttings of herbs. Ma-ture, woody, spreading
herbs can be propagated by dividing the plant and using the
new outer shoots.
Lift melons off the soil surface get them away
from moist soil and crawling pests. Boards, cans, or plastic
baskets from strawberries or cherry tomatoes serve well. Stop
watering plants the week before they're ripe to allow the
sweetness to concentrate and to minimize fruit-cracking problems.
Continue to keep vine vegetables (especially
beans, cucumbers,squash, and tomatoes) picked, whether or
not you will use the harvest that day. If many fruits are
allowed to overmature on the plant, production will slow and
then cease.
If you have kept plants well-picked, but fruit
set has stopped, suspect hot weather. Fruit set will begin
again about ten to fourteen days after the temperature stays
below 85 to 90 degrees.
Figs
bespeak Meditteranean climes and, with proper pruning,
bear two crops a
year. Photo by Yvonne Savio,
© UC Regents, 2000. |
Harvest fruits and vegetables as early in the
day as possible, especially if they are not to be eaten that
day or will be refrigerated. Research at the University of
California, Davis, has found that the six hours before sunrise
is the best time to harvest. As soon as the sun hits the fruits
or vegetables, the pulp temperature begins to rise, and even
shading them will not delay the temperature rise for long.
Each five degrees lower temperature when the fruit is picked
will extend shelf-life for another three days. Tomatoes, in
particular, develop more chilling injury--that telltale graininess
and mushiness--when they are cooled after being harvested
when thoroughly warm.
Freeze excess vine-ripened tomatoes for winter
use. After washing them, cut out the core, cut them into quarters,
and place them on a cookie sheet so the pieces don't touch.
When they're frozen, transfer them to bags or containers for
use as desired. The peel will slip off easily when the tomato
pieces begin to thaw.
Prune vegetable plants of their leaves that
have become ragged from age, disease, or insect attacks. Then
water plants well. Healthy new leaves and blossoms will appear,
and fruit set will begin again. This is especially effective
with beans, cucumbers, and squash.
As vine crops reach the tops of their trellises,
pinch off the lead vine; the side shoots will take over the
major growth and food production.
Toward the end of the month, pinch off the
last blossoms of eggplants, peppers, melons, squashes, and
tomatoes. Plant energy will then be spent maturing fruit that's
already set, instead of setting more fruit that won't ripen
sufficiently before fall cold (yes, it's coming!).
Drying is an excellent choice for preserving
fruit that is not very sweet or not quite ripe, as the sugar
intensifies during drying. Drying grapes and figs is easy.
When harvesting, leave the stems on so there are no open wounds.
Wash and sepa-rate the individual fruits, sorting out the
spoiled ones. For grapes, this requires gentle handling of
the whole bunches. Place the fruits to be dried on a rack
in the sun, and cover them with a double layer of cheesecloth
for protection from birds and insects. Special care must be
given to separating individ-ual grapes so that no moisture
remains between them to mold overnight. Be sure that the fruit
is dried in air that's at least 95 degrees, to prevent fungus
from developing. Turn the fruit pieces and grape bunches every
day until they have dried to the extent you prefer. Whole
trayfuls can be turned at one time by placing a second rack
on top of the fruit and then flipping the "sandwich"
over. If the fruit dries too much, the pieces can be softened
somewhat by sprinkling them lightly with water and separating
them on a rack placed indoors for a day. Really sweet fruit
sometimes dries into an unpleasantly strong molasses flavor.
Feed and water bramble fruits and strawberries.
The size of next summer's fruit is determined this month and
next--the more fertilizer and irrigation, the bigger the berries
will be next spring. Propagate bramble fruits by bending the
cane tips to the soil surface and burying one or two nodes
an inch or so deep.
Allow strawberries to root their runners after
they've set their last crop. Strong new plants will be ready
to transplant by October or November, and these will yield
huge sweet fruits early next spring. Transplanting in the
fall is preferable to the spring, as the plants become well-established
in warm soil long before their spring burst of growth. Spring-transplanted
plants barely get established before summer heat arrives,
and very few fruits will bear before the following year. By
that time, the "mother" plants will have already
separated into many smaller plants, each vying for the same
nutrients and water. Besides, it's much more pleasant working
in the cool air and warm soil of fall than in the cold air
and cold wet soil of spring, when your schedule is already
full of tasks that must be done only then.
Remove tree suckers and watersprouts--the long
shoots that grow straight up from the trunk base (sucker)
or a branch (watersprout). Keep tree trunks--especially of
young trees--painted with light-color, matte-finish, indoor
latex paint to protect them from sunscald.
Water all trees deeply. Pick up and destroy
fallen fruit. Prune and destroy dead and diseased limbs, but
leave major pruning until winter. When harvest-ing is over,
remove bird netting--if you leave it in place, it will become
enmeshed in new shoot growth. Rake the area beneath each tree
bare, and apply a new mulch. These clean-up efforts will prevent
diseases from spreading and harmful insects from hiding for
the winter.
Stop feeding trees later this month, or the
resulting tender new growth will be damaged by winter frosts.
The gradually cooling weather and lack of additional nitrogen
fertilizer during September, October, and early November will
help harden exuberant summer growth to withstand winter's
cold.

Shasta daisies are August's delight
Photo by Yvonne Savio,
© UC Regents, 2000. |
Sow or transplant alyssum, amaranthus, balsam,
fibrous begonia, calendulas (winter or pot marigold), candytuft
(iberis), celosia (cockscomb), columbines (aquilegia), coral
bells (heuchera), coreopsis (pot of gold), cosmos, gloriosa
daisy (rudbeckia, coneflower, black-eyed-susan), marguerite
and Shasta daisies, dahlias, delphiniums, dianthus (sweet
william, pinks), forget-me-nots (myosotis), foxgloves, gaillardias
(blanket flower), gerberas (Transvaal daisy), geums, gypsophila
(baby's breath), hollyhocks, impatiens, larkspur, linarias,
lobelia, marigold, nasturtiums, nemesias, pansies, petunias,
phlox, Oriental and Iceland poppies, portulaca (moss rose,
sun rose), fairy primroses (primula), scabiosas (mourning
bride, pincushion flower), schizanthus, snap-dragons, statice
(limonium, sea lavender), stock, sweet peas, vinca (periwinkle),
violas, and zinnias. Seedlings sown now will be ready for
transplanting by early October and November. Calendulas will
provide color all through winter when they have been planted
every three weeks from now through mid-December.
Refrigerate delphinium seeds for planting later
this fall. They are cool-germinating, as are pansies, primroses,
and violas. One technique is to start them on moist paper
towels rolled loosely in plastic bags in the refrigerator.
After they germinate, gently move the tiny plants to potting
soil in a pan. When they're large enough, transplant them
into their permanent garden spot for winter color.
Transplant seedlings late in the day, to reduce
their stress in the heat. Shade them from intense sun for
a week, and sprinkle their foliage each morning. After a week,
they should be able to full sun.
Perennials to transplant include daylilies,
bearded iris, lilies, peonies, and oriental poppies.
Attract hummingbirds to the garden by planting
funnel-shaped flowers in red and pink colors. Abutilon (flowering
maple), cannas, cleome, fuchsia, honeysuckle, monarda, penstemon,
and red trumpet vine are favorites.
Feed azaleas, camellias, and rhododendrons
an acid fertilizer for the last time this year, to help them
set buds for early spring bloom. Continue feeding begonias,
fuchsias, and summer annuals. Container plants and water-lovers
such as baby's tears, coleus, and fuchsias may need daily
irrigation during hot weather. Feed mums until their buds
begin to show color and open.
Encourage longer blooming periods by removing
mature flowers and seed pods of coreopsis, cosmos, gaillardia,
marigold, and zinnia.
Increase bloom size of chrysanthemums and dahlias
by removing half of the new buds. Prolong fuchsia blooms by
picking off the faded flowers, yellowed leaves, and fruits.
Trim back stems to force side branching and flowering, and
fertilize and water them well. Prune summer-blooming shrubs
when they've finished flowering. Shape hedges for the last
time this season. Continue gently shaping roses after pruning
suckers, unwanted branches, and spent blooms; cultivate manure,
bonemeal, and cottonseed meal into the top three inches of
soil, and water deeply.
Ornamentals that are most sensitive to salty
soil from over fertilization include azalea, camellia, cotoneaster,
mahonia, photinia, and star jasmine. Least sensitive are iceplant
(all types).
Choose a dry, sunny day to harvest globe amaranth,
baby's breath, cockscomb, lunaria, strawflower, and statice
for drying. Cut them before they're fully open, or they'll
shatter as they dry. Hang stems upside down in an airy room
to cure.
Collect seeds from non-hybrid flowers, and
sow those that are cold-hardy, such as bachelor's buttons,
dianthus, Oriental poppies, and stocks.
Remove faded blooms of perennials like coreopsis,
Shasta daisies, delphiniums, penstemons, and yarrow. Cut them
back to within six inches of the soil, and they may bloom
again in the fall. Divide clumps that are too large or when
they haven't bloomed much. Sidedress the plants with bonemeal
and compost, and water in.
Red spider mites thrive in hot, dry weather.
Hose them off from roses, evergreens, shrubs, and ivy. Be
sure to thoroughly rinse the undersides of leaves.
Root cuttings of azaleas, ceanothus, carnations,
fuchsias,geraniums, honeysuckle, hydrangeas, English ivy,
marguerites, pachysandra, roses, succulents, verbena, wisteria,
and evergreens--especially arborvitae, euonymous, holly, juniper,
and yew. Geraniums and impatiens make nice winter-blooming
houseplants.
Continue to water shallow-rooted flowers such
as azaleas, baby's tears, begonias, camellias, ferns, fuchsias,
and rhododendrons frequently while the weather is hot, including
sprinkling the foliage. If the surrounding soil is clay, however,
be sure you've provid-ed sufficient drainage, or the plants
will drown. A mulch will help to moderate soil temperatures
and keep it evenly moist.
Water lawns early in the morning so they dry
quickly. This reduces development of fungal diseases that
thrive in wet, warm conditions, especially overnight. Feed
Bermuda, dichondra, St. Augustine, and other subtropical grasses.
Wait till the weather cools before feeding cool-season grasses.
Plant trees and shrubs for brilliant color
this fall. Trees to choose from include liquidamber, ginkgo,
Japanese maple, pin oak, red oak, Chinese pistache, Chinese
tallow, tulip tree (Liriodendron), and zelkova. Shrubs include
arbutilon, cotoneaster, crape myrtle, escallon-ia, euonymous,
hibiscus, holly, honeysuckle, oleander, pomegranate, and pyracantha.
The berries will attract birds to your garden, as well.
If you're not going to have a winter garden,
cover crops are an excellent alternative; choices include
alfalfa, soybeans, fava beans, winter rye, and winter wheat.
Till them in next spring two or three weeks before planting
as "green manure" to give it time to decompose and
not "burn" seeds or delicate seedling roots.
Cover sunflower seed heads with cheesecloth
when birds start pecking, but also leave a couple heads for
the birds. Heads are ready to cure when the backside of the
head is brown and dry, with no trace of green. Cut off the
seed head, leaving a foot or two of stalk attached. Hang it
to cure--still in the cheesecloth--in a well-ventillated,
warm location. When the backs are entirely brown and crisp,
the seeds should snap out easily.
Replace the bottom of a wooden box with half-inch
hardware cloth or chicken wire for use as a colander. Collect
fresh-picked vegetables in the box, and rinse them off to
remove excess soil. The soil will remain in the garden, and
only final cleaning will be necessary indoors.
Paint tool handles and a foot or so of hose
at nozzle ends with a bright color of exterior enamel paint
so you can find them easily when they're hiding in green foliage.
When planning several hours of work in the
garden, take along a lightweight chair and a thermos with
some cool liquid refreshment. Enjoy a periodic rest and appraisal
of your efforts.
Simple household baking soda will get rid of
mildew in your home and garden. Dissolve about one-quarter
ounce in a gallon of water. Indoors, wipe the solution on
windowsills or other mildewed areas. In the garden, spray
it onto plant leaves weekly or after rain or sprinkline. The
baking soda serves both as a preventative and a cure--mildew
spores cannot spread or reproduce, so their development is
stopped. |