Laguna Hills Nursery 

Summer's Here...Get Out Your Pruners!

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Greetings!

 

Summer is here and the yard is looking a bit like a jungle.  It's time to prune. 

During spring you've got to use some restraint.  Plants are just waking up and put a great deal of energy into making new foliage.  Heavy pruning at that time may result in dieback as the plants don't have enough in reserve to seal fresh wounds.  Plants generally create a seal just below a wound with some of their carbohydrate (sugar) reserves.  When a plant is in a rapid growth mode the carbohydrate reserves dwindle until the leaves are fully operational.  A pruning wound made in spring may not be able to seal at the intended site.  The plant tries to seal at designated locations toward the base of the plant and the stem tissues die back to that point.  The leaves create more sugar by capturing the energy in sunlight.  By summer the carbohydrate reserves are back to safe levels. 

Some plants are exceptionally efficient at sealing wounds.  Apple trees are a good example.  Apple wood seals wounds leaving very little dead wood.  Even heavily pruned apple orchards can easily exceed 100 years in age.  Most of the longest living trees are included here.

 

Other plants are poor at sealing wounds.  Birch trees, Maple trees, stonefruit (especially peach and nectarine) are poor at sealing wounds.  Large branches removed from these trees often results in vertical zones of dead, decaying wood all the way down to the roots.  Heavy pruning on peaches improves the quality of the fruit but limits the practical life of the orchard to little more than a dozen years. 


When it comes to fruit trees, summer is a time of rapid, unrestrained growth.  The tree's main goal during summer is to grow larger.  Fruit currently on the tree will continue to develop, but the tree is not saving up for next year's crop.  When fall arrives, growth halts and the tree now uses the energy collected to create flower buds and energy reserves for next spring's growth and crop.   

 

Feel free to prune fruit trees all summer.  For highest efficiency keep the foliage canopy shaped into a half hemisphere.  As long as you only cut branches that have grown this year (current year's growth), the damage is minimal.     

 

Since the sun has finally made its appearance, you need a new garden hat.  We've just received a good shipment of hats with wide brims.  Most people wear a hat for sun protection.  In my garden I need one to keep spiders and other bugs out of my hair.   

 

Fruit Tree Availability  

 

persimmon fuyu

Persimmon Jiro Fuyu  5 gallon $45

You won't commonly find persimmon trees at garden centers.  This is because persimmon roots rot very easily in compost.  Since most container growers insist on growing plants in compost, their persimmon trees are just too easy to kill.  20 years ago we killed just as many persimmon trees as we sold.  And most of the trees we sold died also.  I was the water boy for the persimmon trees.  If I watered them 2 consecutive days their leaves would turn fall colors and die.  My father couldn't figure it out.  On his family's farm the water table was less than a foot below the surface and the persimmons grew fine.  He planted many trees in the heavy Mission Viejo soils and killed quite a few.  Today (for the last 10 years), we know what the trees prefer.  We grow them in a sand, pumice, peat moss (25-30%) soil mix and keep them moist by watering daily.  No type of compost is mixed into the soil.  Our annual losses lately have been negligible.   

 

Fuyu persimmons are the type with crunchy flesh.  Jiro is the most popular cultivar because it is reliably seedless, relatively easy to grow and vigorous.  Trees produce fruit in early to mid fall within 1-4 years and produce very heavily when mature. Situate the trees in at least 1/2 day of sun in well-drained soil.  My best results occurred when I mixed sand with native soil and created a 6-foot wide mound about 1 foot high at the center.  I planted my persimmon tree at the top and watered fairly frequently.  The trees grow slowly and don't require much pruning. The trees are quite attractive and the leaves exhibit excellent fall colors before dropping.

       

Persimmons are rooted deeply in Japanese folklore for their apparently addictive nature (people and other animals will fight over them and eat them to the point of being sick).   There are over a dozen cultivars of "fuyu" persimmons, but if you don't yet have one, Jiro should be your first choice.    

 

Also available this week:

apples Anna, Fuji, Granny Smith (1-remaining)

apricot Gold Kist 

avocados Bacon (1), Carmen-Hass (1), Gem, Stewart

banana Dwarf Brazilian  

blueberries Biloxi, Jewel, Jubilee, Paloma, Sunshine Blue 

cherimoya seedling 

figs Gary's Strawberry Fig 

grapes table Flame seedless, Venus seedless

grapes wine Cabernet Sauvignon, Chardonnay, Zinfandel 

guava Red Malaysian, Tropic White

lemon Lisbon

mandarin Owari Satsuma, Gold Nugget (1) 

peach Red Baron

pomegranate Angel Red, Wonderful 

 

Other edibles this week:

cucumber Asian 

eggplant (3 types) 

pepper Bell

squash Yellow Crookneck, Green & Yellow Zuchini

tomatoes Assorted heirlooms plus Juliet, Lemon Boy, Momotaro 

 

Herbs this week:

basil (many types), fennel, lemon balm, lemon grass, lemon verbena, sweet marjoram, mint, oregano, parsley, rosemary, sage, shiso (red), summer savory, tarragon french, thyme (many types) 

 

Ornamental Availability

 

Rhapsody in Pink Crape Myrtle trees  5-gallon $45 

I don't have a great photo, but this is one of my favorite cultivars.  The flowers (currently in bloom) a deep candy pink, are quite nice, but it's the foliage that sets this variety apart.  The deep bronze foliage can turn nearly black during warm weather.  Rhapsody in Pink is one of the newer cultivars developed by the Horticulturalist Dr. Carl Whitcomb that is also highly resistant to powdery mildew.   Expect this deciduous tree to grow 15-20 feet tall and nearly as wide.  Mature trees develop a beautiful polished bark giving them year round interest.  Crape Myrtle trees are unique in that they will still bloom even when severely pruned in the winter or early spring.    

 

We have a slightly younger crop of Crape Myrtle trees that will be blooming in a month or so.  Dynamite (red), Red Rocket (red), Siren (deep red) and Catawba (deep purple) are a good size, but not yet blooming.   

 

You may notice that some Crape Myrtle trees in the landscape don't bloom and/or have leaves that get brown edges in summer.  This is apparently due to the original wholesale grower using a poor quality soil to grow the tree in.  The effect can last many years after installation.  Of course, our trees have no such problem.   

 

 

Monarch caterpillarMonarch butterfly

Asclepias curassavica 

Milkweed, Asclepias curassavica  1-gallon & 2 gallon

America's favorite butterfly, the Monarch, will dance in your garden if you provide a home for its larvae.  Many caterpillars are quite repulsive, but most kids find the Monarch larvae to be very cute.  Place some milkweed plants in your garden and they will come.  WARNING:  In order to grow this plant we have to apply an organic pesticide to keep caterpillars off it.  Do not place hungry caterpillars on it for a minimum of a month.  Allow it to grow for a few months and the Monarchs will find it and lay their eggs on it.   Milkweed plants grow 3-4' tall and wide and live 3 for up to 10 years.  They can bloom red or yellow flowers any time of the year and will reseed lightly if not dead-headed.   

 

I have been amazed at how keen the female Monarch's sense of smell is.  Egg-laying female butterflies find the Milkweed plants by smell.  I once saw a butterfly intent on finding a Milkweed plant in the exact spot where the last one had been sold several weeks before.   

 

butterfly anise 

Another butterfly that you can attract to your garden is the Anise Swallowtail.  Adult females will seek out Fennel, Parsley or Anise to deposit their eggs.  We recommend planting Fennel, available in our herb display.

 

scabiosa black  

Scabiosa atropurpurea Black Pincushion  Quarts $4

Here's a striking cut flower that can last 2 weeks in the vase.  Scabiosa is native to the eastern Mediterranean region and can naturalize locally.   It is a short-lived perennial that grows 2-3 feet tall and 1 foot wide.  Blooms occur over a very long period starting in late spring.  Provide sun and moderate water.   

   

penstemon carillo purple

Penstemon Carillo Purple quarts $4

We want to give this shorter penstemon a try.  Carillo Purple is perennial native to the North American prairies.  It grows a bit less than 1 foot tall and wide and bloom from late spring to early fall.  It is drought and heat tolerant when established.  Provide sun and well-drained soil.  This low maintenance plant is attractive to hummingbirds.  

 

The following are new or back in stock: 

Angelonia Adessa Pink quarts $4

Echinacea Pow Wow Wild Berry and Pow Wow White quarts $4

Echinacea Prima Donna Deep Rose & Prairie Splendor 6-pack $3

Lisianthus Echo Pink Picotee 6-pack $3 

Lisianthus Forever Blue quarts $4

  

Please visit us at our farmer's market locations

 

EVERY FRIDAY 1pm-6pm

Rancho Santa Margarita Farmer's Market

Lowe's parking lot at Santa Margarita pkwy at the 241 in front of Big Lots

 

EVERY SUNDAY 10am-2pm

The Great Park Farmer's Market

The Great Park Balloon parking lot on Marine way just off the 5 at Sand Canyon  

 

26285 Verona Place
Mission Viejo, California 92692