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Iris pumila

Iris pumila

March is, of course, an exciting and busy gardening time. Seedlings under the grow lights are getting larger and taking on a more adult appearance. Outdoors, the irises and many other perennials are sending up new growth. In a sheltered bed by the house, daffodils followed the reticulata irises into bloom. In the open garden, it is crocus time, and the first Iris pumila opened on March 22.

I cleaned up the pond and restarted the pump. Dianthus seedlings I had started last summer and overwintered indoors were hardened off and transplanted into the garden.

Iris paradoxa seedlings

Iris paradoxa seedlings

Nine seedlings of the exotic oncocyclus species Iris paradoxa, now one year old but small because I neglected to transplant them last year, now have a new home in a planter.

 

 

 

 

 

 

 

 

One-year-old hardy cactus seedlings have been moved from the plastic seedling inserts into a tray that will be kept outdoors on the deck until next spring, when they should be ready to plant out. The planting medium is a mixture of commercial cactus mix, sand, and garden soil.

cact1cact2cact3

 

 

 

 

 

 

 

 

 

The main activities in March are resuming watering and clearing away last year’s dead foliage and pulling up the cool-season weeds.

On the last day of the month, I planted the blue grama grass (Bouteloua gracilis) in the “restoration” area in the back yard. I scattered some native blue flax (Linum perenne lewisii) and California poppies (Eschscholzia californica) in along with the grass seed for good measure.

blue grama grass seed

blue grama grass seed

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watering in the grass and wildflower seeds

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rets2013February has given us almost “normal” weather this year – consistently cold (although never extreme), and a bit of precipitation (although not as much as we could use). The first of the spring bulbs (Iris danfordiae and other reticulata irises) are coming into bloom now, a few weeks later than in previous years. Outdoors, I’ve prepared the area for the blue grama grass restoration, and burned some weeds and clutter from last year to clean out some areas.

coldframe2013I’m trying something new with the hardy perennial seeds I received from the NARGS seed exchange or purchased locally at Plants of the Southwest. These enjoy a period of cold treatment to stimulate them to germinate in the spring, so I’ve planted them in plastic inserts and set them in an open, unheated cold frame outside. Curious to see if this treatment suits them.

sdlgs_lightsIndoors, seedlings of vegetables, herbs, flowers, succulents and hardy cacti are thriving under the grow lights. A few of the cactus and succulents have not germinated. Perhaps they are waiting for warmer nights?

I’ve noticed just this week that the one- and three-year-old cacti that I’m growing inside are starting their spring growth spurt, getting a little plumper and greener. I’ll resume watering them weekly now.

My new Meyer lemon tree was attacked by gray aphids. A vigorous hosing off outside seems to have addressed the problem, at least for the time being.

Winter is a good time to enjoy some garden reading. I’ve been on an iris history binge this month, working through the American Iris Society bulletins from the 1920s, which are available on line to e-members. I’ve also had the good fortune to acquire a complete set of publications of the Dwarf Iris Society, and have been reading Walter Welch’s DIS portfolios from the 1950s.