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The gardening tips that are offered here shall be updated on a monthly or quarterly basis and are a gleaning of my own knowledge base, recent articles I have read and discussions I have had. My focus will be on the Southern California gardening climate. I will try to give credit for sources of information if I can and would like feedback if anyone is so inclined. This section is an experiment on my part and I hope you find it interesting and useful.

Last Update: January 2004

Garden introduction

The garden and home are located in the Silver Lake district of Los Angeles on a rectangular lot that traverses a rather steep slope. The single story modern house takes up most of the available flat ground with steep slopes making up most of the garden area. A very large Chinese Elm tree creates a beautiful shaded patio and garden over the entire rear yard. Originally, all of garden slopes were covered in thick overgrown Algerian Ivy which I was allergic to and had the entire mass ripped out. New irrigation was added and the garden was divided into zones. The front and side gardens are mostly steep sloped areas and because of the difficulty of access, I planted it with a combination of many drought tolerant California, Mediterranean, and Australian natives that tolerate natural rainfall and maybe only one watering cycle per month. The rear yard being very shady and much more usable was done with a combination of tropicals and woodland plants that convey lush, green textures and variegated foliage to create drama. A small portion of the yard near the front door allows me to experiment with perennials and annuals. The garden has been my experimental laboratory for about 10 years and plantings change constantly as I find new plants to try out, see how the grow and bloom and see how to use them in my garden design.

Goings on in my own garden

Fall has arrived and I’m just beginning to reclaim the garden from the overgrowth of the summer months. Last month, we began clearing large sections of the garden with the intention of pulling out the old and putting in the new. Over the last few years, I’ve accumulated quite a few new plants that have suffered by remaining in their containers as there hasn’t been time or space to add them in. The most important aspect of a garden designer, such as myself, is to stay abreast of the new and wonderful varieties that are being introduced onto the market. Why use the same 10 plants over and over again? Check out below for the new plants introductions that I’m crazy about.

The summer was relatively mild without any real scorching days and the garden chugged along with just once a week watering (my hillside got no summer water) and the pots received weekly or twice weekly waterings. I even got my Bearss Lime to produce 4 limes in a container. Next year, I’ve got to be more regular about fertilizing the potted plants as the frequency of watering will leach out most of the nutrients in the soil.

Garden activities by season

As Fall has arrived, its time to do the majority of the cleanup in preparation for the explosion of growth that occurs starting in the spring. All the summer annuals should be removed (unless they still look too good) and perennials should be cut back according to the plant’s needs to refresh the old spent flowers and overgrowth and just a general tidying up. Fall/Winter/Spring annuals such as; Pansies, Snapdragons, Iceland Poppies, Stock, and Calendulas, can be purchased starting in September to fill in where garden cleanup has left holes and the earlier you get them in the more they benefit from the last of the summer warmth and sunshine. I’m also beginning to think about trimming back my fruit trees and roses all of which should start at the end of the year.

Plant focus on new plants and the tried and true

Sweet Peas can be started from seed starting in September and the sooner you get them in the more likely you’ll have blooms all winter otherwise the vine will languish until spring before it gives you a show. Nasturtiums are another seed that’s fun to play with as you can get good coverage and flowers during the winter months and well into summer and if you’re lucky, they’ll reseed and come back next year. Alstroemerias are coming back in my garden now, they seem to tolerate quite a bit of shade from a Chinese Elm tree (although they get floppy waiting for the sun to come out), they continue to get stronger over the years. Another new favorite of mine are the perennial Nemesias which seem to come in a plethora of colors and look great either in the garden or in a pot with other plants. They seem to bloom almost all the time. The ongoing sages are a great genus that you can spend a lifetime growing and learning about all the varieties. One called Salvia ‘Van Houtii’ blooms with rich deep red flowers (almost burgundy) even in the shade of the infamous Chinese Elm in my backyard. It has a tropical nature to it and looks great next to spikey Crinum lilies and other large foliage plants. Salvia cacaliafolia is another tropical sage that blooms with the most intense blue flowers and tends to flop over as it creeps and spreads over the ground rooting as it grows like a groundcover although if given some support will grow up to 6ft. tall.

Design ideas

Where do the design ideas come from? Sometimes it is shear inspiration and sometimes it is nothing more than practical considerations. The most important results usually include a little of both. Every garden is different as every house is different. They all have their quirky characteristics and it’s important that you get to know all the advantages and disadvantages of each. This process is called a ‘site analysis’ and as a Landscape Architect it is critical that I spend some time in every space to get a feel for it. The most difficult design process involves designing before a building or house is built as you need to rely on your best guess as to how all the elements “speak” to each other.

Where does the sun rise and set? Where are the sunny and shady areas? From where do the prevailing winds blow? Where does water travel when it rains? Does the ground slope away from the house or toward it? What is the style of the house? What views are presented from the property or what views are presented from inside the house? Are the neighboring properties close and what views do they have into the property? What existing vegetation exists? What is its condition? Should it be saved or removed? These are just a few of the questions that need to be addressed for every property and all of them come into play during the design process.

Plant Combinations

I recently created a series of gardens at a house that incorporated color combination flower borders in the style of the great English garden designer Gertrude Jekyll. She lived around the turn of the 20th century and was breathtakingly brilliant at selecting color themes for her gardens.

In this garden, there was a yellow border, a pink border, and a color wheel garden that started at red and went through the color spectrum along its entire length ending up at blue/violet.

In the yellow border, Euphorbia chariacas ‘Wulfenii’ with its metallic blue/green foliage and topped with chartreuse yellow flowers sits next to grey lavender cotton (Santolina chamaecyparissus) with little yellow button flowers as well as spiky Yellow-flowering Hot Poker (Kniphofia ‘Malibu Yellow’) and Yellow-flowering Jerusalem Sage (Phlomis lanata). Coreopsis ‘Sunray’ gives almost year round color and yellow daylilies provide the continuous year round interest that serves as the anchor to this garden. Next time, I’ll talk about the other color combinations.

Other garden treats

I’m sad to admit this, but I have never gone to Roger’s Gardens in Costa Mesa and I’m determined to change that in the next few months. I do go visit retail nurseries with some regularity. In the past, my favorite was Hortus in Pasadena, (how sad that should have closed). Other retail nurseries that I frequent include; good old Sunset Nursery in the Silverlake area (it’s a small nursery, but the plant purchaser is excellent at finding interesting new plants), Burkhard’s in Pasadena (much improved in the last ten years), Marina Del Rey Garden Center (I can always find something new and never before seen), Plant Systems in Silverlake (they have a contracting business on the side and one of the owners is a plant nut like me, you’ll never find 2 of anything there), and Sperling Nursery in Calabasas, and Desert to Jungle Nursery in Montebello (grower Gary Hammer has introduced innumerable plants to Southern California in the last 15 years). Of course, I also frequent wholesale nurseries as well, but I can do that.

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