Confused, at best

Confused? No, not me, not this time.

While reblooming hydrangeas and Encore azaleas flowered meekly through late summer and early autumn, a small rosemary (Rosmarinus officinalis, below) continues to bloom, apparently unaware (or unconcerned) that temperatures dropped deep into the twenties this week. It is not sheltered, but somehow the rosemary has been fooled into continuing to flower long after it should have called it quits.Lavender flowering in mid November

Rightly, long time gardeners are not bothered when something or the other pops into bloom when it shouldn’t, since there is rarely any detriment that comes from it. But, the rosemary’s mid November flowers are a bit unusual, though quirkiness more often seems the rule rather than an exception in the garden.

The rosemary was carefully placed on a low mound along with a few ground cover roses, pieris, and perennials that I expect never to have to water. I have failed with plants that require well drained soils too often, and rosemary prefers the dry climate of the Mediterranean rather than the relative dampness of Virginia. The mound should take care of this, though one of three dwarf pieris planted nearby has died, so I cannot be certain. Adequate drainage or not, this is not the cause of the late flowers.

Periwinkle flowering in mid November

As I walked up from the lower garden a few days ago, I saw a lone bloom on a periwinkle vine (Vinca minor, above) that pokes out from beneath a wide spreading leatherleaf mahonia. Periwinkle typically flowers in early spring, but it is not unusual to see a stray bloom out of season. Flowering pears are commonly fooled into opening scattered buds in autumn, and after the new year any sort of early spring flowering bulbs, shrubs, or trees might be tricked by a stretch of warm temperatures.

Oddly (at least relative to these November blooms), the recent weather has been cooler than typical, so I have no explanation for why the periwinkle or the rosemary are flowering. In any case, the late season blooms are unlikely to be of any problem, and with only camellias and mahonias flowering in the garden in mid November, it is a pleasant distraction.

8 Comments Add yours

  1. Miha says:

    I believe that that is a rosemary plant.

    1. Dave says:

      Of course you’re correct. I guess I’m confused after all. I’ve planted lavender several times without success, almost certainly due to poorly drained soil. Both rosemary and lavender require excellent drainage.

      1. Miha says:

        The flowers do look alike.

  2. I love anything blooming any time of year, be it confused or otherwise!
    Your garden is such a serene and wonderful place. 🙂

  3. Eric says:

    Do you find the rosemary hardy in your garden? It’s listed as hardy only to zone 8.

    Lavender is quite hardy even here in zone 6, though it doesn’t really thrive as it should and clearly would rather be elsewhere, like the south of France.

    1. Dave says:

      Depending on cultivars, some rosemaries are listed as cold hardy to zone 6. I remain more concerned about drainage than cold since it seems that our days of temperatures in this area below zero are long past. After another year I might be encouraged to try lavender again if I delude myself into thinking I have the drainage figured out.

  4. Here in Raleigh, North Carolina, Rosemary begins a heavy bloom once the seaon cools and can bloom until January. I think it may be in response to the increase in rain/moisture after the dry Summer months?

  5. steven1111 says:

    My “Tuscan Blue” Rosemary is blooming in lots of places here in Seattle right now. In fact so is my “prostrata”. How cool plants can be to give us these gifts!

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