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My Garden Diary

September and October 2020

Copyright © 2020 by David E. Ross

Many years ago, when I first started my Web site, I created an online diary of my gardening activities and observations. However, with work and the commute from Hell, I was often so tired I had to choose between maintaining my garden and maintaining my diary. Sometimes, I did neither. In 1998, I stopped my diary and removed the pages from my Web site. 7

Now I am retired. I am well-rested and have plenty of time to both garden and maintain a diary. This diary is primarily for my own benefit, so that I can look back upon what I did and when. But I thought others might also be interested, so here it is.

Also see What's Blooming in My Garden Now?


January-February 2015
March-April 2015
May-June 2015
July-August 2015
September-October 2015
November-December 2015
January-February 2016
March-April 2016
May-June 2016
July-August 2016
September-October 2016
November-December 2016
January-February 2017
March-April 2017
May-June 2017
July-August 2017
September-October 2017
November-December 2017
January-February 2018
March-April 2018
May-June 2018
July-August 2018
September-October 2018
November-December 2018
January-February 2019
March-April 2019
May-June 2019
July-August 2019
September-October 2019
November-December 2019
January-February 2020
March-April 2020
May-June 2020
July-August 2020

Diary entries for 2004 through 2014

Entries below are in reverse order (latest at the top). Daily, I might stoop to pull a weed or use a hose to water some potted plants; however, I don't consider those significant gardening activities. Thus, you will not see daily entries. Also, I might accumulate a few entries before updating this page on the Web.

When plants have well-known common names, their scientific names are given only the first time they appear on this page (entry closest to the bottom). There, the common name is in bold or appears as a link to another Web page.

Unless a different year is given, dates refer to other entries in the same year as the entry in which they appear, including entries on prior pages for the same year.

Date and Weather Observations and Activities
30 Oct

Clear, sunny, and warm

Temp: 67-88
Humidity: 7%
Wind: 0-12

Rain —
This rain-year: 0.0
Days since last: 165

Divided the 'Batik' bearded iris (I. germanica) in the west bed in back. The adjacent dwarf myrtle (Myrtus communis 'Compacta') was shading the iris clump, so I replanted those rhizomes that I saved a few feet away from where they had been growing.

Applied gypsum to the circular bed and about a third of the east bed. That means I emptied the started sack of gypsum. Then I decided my back was tired and stopped gardening.

After lunch, I did one more thing in my garden. A shrub head on the sprinkler system was at a strange angle. Resetting its steel rebar support, I straightened it.

28 Oct

Clear, sunny, and mild

Temp: 60-80
Humidity: 10%
Wind: 1-19

Rain —
This rain-year: 0.0
Days since last: 163

No, we did not have any rain (25 Oct). The rain gauge at the CHE weather station was recording condensation from fog as if it were rain. I corrected the 25 Oct entry in this diary page using strikeout.

Late last week, I removed the shade cloth from the greenhouse window. Actually, a strong gust of wind started removing it while I ate breakfast.

Yesterday, bought four plants to replace three that died and one that was dying, all in the back yard. I also bought 80 pounds of gypsum. Today, it was too windy to spread gypsum; but I was able to plant all four. For each, I started digging a hole with a fence post auger. When the hole was deep enough, I made it wider with a trowel. Since all these are flowering plants, I stirred a handful of bone meal into each hole.

  • Planted two pink-flowered Cuphea hyssopifolia in the teardrop bed, replacing two that died. While there, I also trimmed the edges of the bed and ensured that the pink clover ground cover (Persicaria capitata) was not crowding the other three Cuphea. (I wanted to add a white-flowered C. hyssopifolia to the rose bed, but that was out-of-stock at the nursery.)
  • Planted a 'Formosa' azalea (Rhododendron indica) in the circular bed. This replaced a plant that was not quite dead yet, which meant that it was quite difficult removing it.
  • Planted a Camellia sasanqua 'Yuletide' that died at the north end of the east bed. The dead plant was crowded by Penstemon and freesias, the competition from which might have caused its demise. The other two C. sasanqua 'Yuletide' in that area are thriving and have no such competition.

Cleopatra will not be digging in the garden for several months. She is now hibernating in her house, for which I blocked the entrance today.

25 Oct

Cloudy, gray, and cool

Temp: 54-61
Humidity: 74%
Wind: 4-11

Rain —
This rain-year: 0.03 0.0
The past week: 0.03
Days since last: 160

Yes, we apparently had some recent traces of rain, not more than 0.01 inches per event. This is not really enough to wet dust.

Last week, I bought eight square concrete stepping stones, about 12 inches on each edge and 2 inches thick. I removed the rebar from where Cleopatra had been burrowing (18 Oct) and covered the area with the stepping stones. Cleo wandered around the area. If tortoises have emotions, she was frustrated, mad at me, and sulking. I finally moved her into her house. If she stays there, I will close it off to keep intruders out while she hibernates. (Tortoises are vulnerable to being eaten by rats while they hibernate.)

Today, fed the roses with ammonium sulfate (21-0-0). This is the last feeding of the year. I will resume feeding them when I see the start of new growth next year.

18 Oct

Clear, sunny, and hot

Temp: 67-91
Humidity: 28%
Wind: 0-14

Rain —
This rain-year: 0.0
Days since last: 153

Cleopatra persists in burrowing under the ornamental Sprenger asparagus (A. aethiopicus 'Sprengeri') at the extreme south end of the east bed in back. This is bad for Cleo for two reasons:
  • She enjoys napping in the plant's shade. By digging in the plant's root zone, however, she is killing it.
  • She should start hibernating soon. If she hibernates in the burrow, she is at risk of drowning when it rains because the clay soil does not drain well.
Today, I filled in the burrow's entrance and collapsed it beyond the entrance. I then created a grid of steal rebar — three rods east-west and three rods north-south — anchored with the same hooked stakes (not merely "hooks" as cited on 12 Oct) that I used to anchor drain caps.

A few hours later, I looked. Cleo managed to move some of the rebar, not enough to resume burrowing but enough to become tangled in the grid. I will try something else to stop her from digging.

12 Oct

Clear, sunny, and hot

Temp: 65-98
Humidity: 12%
Wind: 0-14

Rain —
This rain-year: 0.0
Days since last: 147

Anchored in place a cap for the landscape drains. For some reason, Cleopatra enjoys knocking them over and then pushing dirt down the drain shaft. After cleaning the drain shaft the best I could, I used two heavy wire hooks of the type used to anchor jute netting on a newly landscaped slope or to hold drip irrigation lines in place. I need to buy more of those hooks. I used the last two on one drain cap, but there are two more that Cleo dislodges.

Trimmed the edges of the path in back between the lawn and west bed. This was much easier than when I did it this past spring.

When I reached the north end of the west bed, I seriously (on purpose) disturbed a clump of grape hyacinth (Muscari armeniacum) growing at the edge of the bed. Many years ago, I planted a few bulbs of these in the east bed around the peach tree. They still bloom quite nicely every spring; they are just now starting to show leaves. Unfortunately, they also produce seed; and clumps of grape hyacinth are coming up all over the back yard. I say I disturbed the clump, not removed it. It is impossible to remove a clump of grape hyacinth without completely replacing the soil; some of the bulbs are smaller than a pea and cannot all be found in the soil.

When I first landscaped my home over 40 years ago, I planted a small bed of lily of the Nile (Agapanthus orientalis) within the edge of the back lawn adjacent to the large patio. Over the years, these have spread. Today, I noticed four were blocking a sprinkler in the lawn. I needed a pruning saw to cut them out and remove them.

Started my biennial gypsum treatment of my garden. Gypsum (calcium sulfate) reacts chemically to make the clay soil porous, improving drainage and help water — irrigation or rain — to penetrate. I do this in the fall in anticipation of winter rains. Today, I broadcast a significant amount of gypsum in the west and teardrop beds in back.

4 Oct

Clear, sunny, and very hot

Temp: 72-98
Humidity: 11%
Wind: 2-10

Rain —
This (2020-2021) rain-year: 0.0
Days since last: 139

On 1 October, California began a new rain year. Thus, I report the amount of rain this year as 0.0 because no rain has fallen so far this month.

I once read that squirrels avoid going where they smell blood. Today, I took four old socks, put a small handful of blood meal (a fertilizer) in the toe of each, wet them, and hung three from the branches of the pineapple guava (Feijoa sellowiana) and one from a branch of the dwarf orange tree. Guavas should be ripening later this month. Last year, the squirrels left me only one. The oranges ripen in late November or sometime in December. Last year, the squirrels got about three of a crop of only a dozen. If this works, I will use this method to protect my peaches next year. This year, the squirrels got ALL of my peaches.

While hanging the socks from the guava, I noticed that my neighbor's star jasmine (Trachelospermum jasminoides) was growing into the guava bush. I cut the vine back to the block wall on the property line and removed as much of it from the bush as possible. I cannot complain to my neighbors since my own star jasmine vine at the other end of the west bed has grown over the wall into their back yard.

The guava bush really needs to be pruned, but that will have to wait until early spring.

Further disbudded the potted chrysanthemum (23 Sep) on the patio.

None of the dwarf ivy (Hedera helix 'Hahn's') that I planted under the mail box in front (6 Mar) survived. I will have to put up more cuttings to root after the weather cools.

25 Sep

Clear, sunny, and hot

Temp: 66-90
Humidity: 19%
Wind: 1-12

Rain —
This rain-year: 15.21
Days since last: 130

Fed the dwarf citrus and gardenia with ammonium, iron, and zinc sulfates.

Removed many new shoots from the loquat tree (Eriobotrya japonica 'MacBeth'). The tree seems to sprout many new shoots along its trunk and branches after it is pruned (24 Jul). I saved some of the shoots to be new branches when I prune it next summer. When I prune this tree, the brnaches I cut go into the green trash bin for the county's composting program. As I remove new shoots, however, I merely drop them on the ground to form a mulch.

I had planned to put up cuttings of 'Goodwin Creek Grey' lavender (Lavandula lanata × dentata) and Artemisia 'Powis Castle' (A. arborescens × absinthium) today. However, I decided it was so hot that the cuttings might wilt before I could put them up.

23 Sep

Clear, sunny, and hot

Temp: 69-91
Humidity: 20%
Wind: 0-13

Rain —
This rain-year: 15.21
Days since last: 128

Leaves on the potted weeping Chinese banyan on the front porch felt dirty to the touch. Although the raging wild fires are many miles away, prevailing winds (before they changed, 20 Sep) brought serious air pollution to my area. Today, I sprayed the leaves with soapy water and then immediately rinsed them by spraying plain water.

Started disbudding the potted spoon-flowered chrysanthemum on the patio in back. Then, I loosely tied the shoots to a central stake (a piece of steel rebar).

20 Sep

Clear, sunny, and hot

Temp: 61-91
Humidity: 18%
Wind: 1-11

Rain —
This rain-year: 15.21
Days since last: 125

While wild fires continue to rage, prevailing winds changed to remove smoke from my area. Most of the fires resulted from lightening strikes; but one was arson, starting when pyrotechnics were used in a couple's "gender reveal" party.

Moved the rooted dwarf Burford holly (Ilex cornuta 'Burfordii Nana') cutting (18 Aug 19 & 21 Feb) from its initial 2-inch pot to a quart pot with a mix containing some nutrients. I placed the pot on the shelf outside the kitchen window with a miniature greenhouse over it. In about 3 weeks, I will remove the greenhouse. (The greenhouse is the clear bottom half of a 1-liter soft drink bottle.)

The Dracaena in the greenhouse window grew too tall. I cut it, leaving about 2-3 inches of stump. I trimmed the top and potted in an attempt to root it as a cutting. In the past, not only did such a cutting root quickly; but also the stump developed new shoots. If both happen, I might pot the rooted cutting elsewhere in the house.

Fed the roses with a commercial 6-9-6 fertilizer that also contains a systemic insecticide. I also gave very small amounts of this fertilizer to a potted Hippeastrum on the patio and to a potted spoon-flowered chrysanthemum (C. morifolium), both on my main patio. The Hippeastrum appears to be bothered by some kind of insect, and the chrysanthemum is often attacked by aphids and small grubs at this time of year.

13 Sep

Overcast (smoke from multiple wild fires), hazy sun, and hot

Temp: 71-94
Humidity: 15%
Wind: 0-12

Rain —
This rain-year: 15.21
Days since last: 118

Replaced two of the sprinkler heads at the bottom of My Hill. After adjusting them at my desk per instructions on my PC that I downloaded from the manufacturer's Web site, I only had to make a minor tweak on one when I tested them.

The potted weeping Chinese banyan (Ficus benjamina) on my front porch was badly damaged in the recent heat wave. I severely pruned it to remove dead and dying branches.

Leaf miners have attacked my dwarf kumquat. Since it has finished blooming, I gave it a drench of a systemic insecticide.

4 Sep

Clear, sunny, and very hot

Temp: 69-102
Humidity: 24%
Wind: 2-13

Rain —
This rain-year: 15.21
Days since last: 109

Fed the dwarf citrus and the gardenia (G. jasminoides 'Veitchii') with commercial citrus food (10-4-10). I also gave each citrus two pinches of zinc sulfate. The gardenia received two small handfuls.

While feeding the citrus, I noticed the start of leaf miner infestations on the tangelo and orange. I gave each of those two a systemic insecticide drench. The kumquat is not yet affected, so I did not treat it. This is fortunate since the kumquat is in bloom and being visited by many bees. The systemic insecticide would make the kumquat nectar fatally toxic to bees, but it is harmless to mammals and birds.

Weather data are from the Cheeseboro (CHE) weather station, about 2 miles ENE of my house.

The high temperature (°F) is daytime for the indicated date; the low temperature (°F) is for the previous night.

Winter chill is the cumulative hours of temperatures at or below 45°F from 1 November through 31 March. It is reported during that period and through April.

The relative humidity is at noon. (In my garden, it is likely higher than reported, a result of regular irrigation.)

Wind speeds (mph) are average (not peak) low and high, midnight to midnight (subject to later correction for diary entries posted before the end of the day). I also indicate peak wind gusts parenthetically when they are significantly high.

Rain is in inches. Rain-year is the cumulative amount of rainfall from 1 October until 30 September of the following year (our "rain-year"). Week is the cumulative amount of measurable rainfall from noon seven days ago until noon of the indicated date. If no measurable rain fell in that period, Days since last is reported.

Characterization of the weather (e.g., Clear, sunny, and warm) is purely subjective; for example, "warm" might occur with higher temperatures than "hot" if the former occurs with lower humidity and more breezes than the latter. Also, a day that would normally be characterized as "mild" might instead be "warm" if the immediately previous days were quite cold. Finally, such characterization reflects when I was actually outside and gardening and ignores changes that occur while I am inside.

The signature line I use when writing messages about my garden includes the following:

Climate: California Mediterranean
Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean influence (USDA 10a, very close to Sunset Zone 19)
See also My Climate.
July-August 2020
May-June 2020
March-April 2020
January-February 2020
November-December 2019
September-October 2019
July-August 2019
May-June 2019
March-April 2019
January-February 2019
November-December 2018
September-October 2018
July-August 2018
May-June 2018
March-April 2018
January-February 2018
November-December 2017
September-October 2017
July-August 2017
May-June 2017
March-April 2017
January-February 2017
November-December 2016
September-October 2016
July-August 2016
May-June 2016
March-April 2016
January-February 2016
November-December 2015
September-October 2015
July-August 2015
May-June 2015
March-April 2015
January-February 2015

Diary entries for 2004 through 2014


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