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Your Gardening Calendar - April

 

April in the Southern California Garden

Each month has its special joys and tasks in the garden.  Below is a suggested calendar for April.  Remember that gardening depends on the weather, so tasks, bloom season and activities may vary from year to year.
 
 
Best of Show:
 
Flowers: tree/shrub: *Carpenteria californica, Ceanothus spp., Peritoma arborea (Cleome isomeris), Malacothamnus fasciculatus; smaller shrubs:Calystegia macrostegia, Camissonia cheiranthifolia, Constancea (Eriophyllum) nevinii, Coreopsis species, Dendromecon rigida, Diplacus spp., Encelia spp, Gambelia (Galvezia) speciosa, *Keckiella antirrhinoides, Lupinus albifrons, Malacothamnus clementinus, *Perityle incana, Salvia leucophylla, Trichostema lanatum, * Venegasia carpesioides; Annuals/perennials/bulbs:  *Allium unifolium, * Aristida purpurea, Bloomeria crocea, Camissonia spp., Clarkia spp., Dichelostemma capitatum, Erigeron ‘Arthur Menzies’ , Gilia spp., Iris douglasiana, *Heuchera spp., Layia platyglossa, Lupinus (annual), Malacothrix saxatilis, *Mentzelia lindleyi, Nemophila menziesii, Platystemon californicus, Salvia (annual), Sidalcea malviflora, Sisyrinchium bellum, Stachys spp., Trifolium spp.
 
Fruits/berries: lemons and tangerines are still very showy
 
Foliage: shiny green new Ceanothus leaves
 
 
Planning:
·         Take home one new idea from the garden tours or visiting native plant/botanic gardens.   Plan how to incorporate that idea into your garden
·         Visit spring plant sales; purchase judiciously
 
Hardscape/General:
·         Fertilize containers if needed
 
Propagation:
·         From seed: Collect seed from early spring wildflowers; still time to start traditional summer veggies like squash, bean, melons, tomato
 
Planting:
·         Excellent month for planting bog and pond/pool plants
·         Plant riparian species and desert species from spring through summer
 
Watering:
·         Taper off water for early spring bulbs when the leaves start to wither
·         Taper off water for early spring wildflowers
·         Check hoses, soaker hoses and drip irrigation; repair & replace as needed
·         Check soils as they begin to dry out.  Turn on irrigation or begin routine summer watering schedule when appropriate. 
·         Give the garden a last good soaking.  Do it during a cool period to simulate rain
 
Pruning:
Tip-prune (pinch) to promote fullness (if not blooming):
·         Diplacus spp, 
·         Plants in Mint Family (Mentha arvense; Monardella spp; Lepechinia fragrans, Clinopodium/Satureja; Stachys ),
·         Gambelia (Galvezia) speciosa
·         Ribes viburnifolium
·         Rejuvenate/prune wetland plants in ponds, pools or rain gardens
 
Weeds/Diseases/Pests: major weeding month
·         Weedy grasses: Crabgrass, Bermuda Grass, Kikuyu grasses start to grow with warm weather
·          Look particularly for the following weeds: Common knotweed, Wild radish, Prickly lettuce, Prickly ox-tongue, Wild mustard even Yellow star-thistle. Remove while they’re small (they make tons of seeds).
Edibles/Crafts:
·         Collect dry seeds from early wildflowers (except Lupine, which are toxic); parch and use as a seasoning/flavoring agent
·         Prune some leaves from Salvias; dry for later use
·         Use the ‘mint’  cuttings for fresh mint tea, other uses
·         Press spring flowers in a plant press for use in greeting cards, bookmarks, etc.
 
Enjoying the garden: major enjoying month
·         Celebrate California Native Plant Week (4/15 to 4/25) and Earth Day (4/22)
·         Make a bouquet of spring wildflowers for your table
·         Enjoy the spring peak of bloom; get out in your garden as much as possible – sit and enjoy the show you created!
·         Watch for butterflies – photograph them on your spring flowers
·         Go on the CNPS and Theodore Payne Foundation spring garden tours – bring your camera and notebook.  Don’t be afraid to ask questions
·         Invite a friend over; tell them about your native plants
 
4/2/17
 

 


 

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