In May, flowers from these plants grace the farm:
- Achillea millefolium californica
- Amelanchier utahensis
- Arbutus unedo compacta
- Artemeisa douglasiana
- Buddleja
- Buddleja davidii
- Carpenteria californica ‘Elizabeth’
- Castenea hybrid ‘Colossal’
- Castenea hybrid ‘Nevada’
- Ceanothus ‘L.T. Blue’
- Ceanothus ‘Remote Blue’
- Ceanothus spinosus
- Centaurea solstitialis
- Cercocarpus betuloides
- Chlorogaluml pomeridianum
- Cistus salvifolius
- Citrus × latifolia
- Citrus × meyeri ‘Improved’
- Citrus japonica
- Citrus reticulata
- Citrus unshiu
- Citrus x sinensis
- Cupressus arizonica
- Cynara cardunculus var. scolymus
- Deinandra fasciculata
- Eriogonum arborescens
- Eriogonum fasciculatum foliolosum
- Eriogonum giganteum
- Eriogonum nudum ‘Ella Nelson’s Yellow’
- Eschscholzia californica
- Gnaphalium californicum
- Grossulariaceae
- Holodiscus discolor
- Juniperus communis var. australis ‘Point Saint George’
- Keckiella cordifolia
- Lavendula stoechas
- Lavendula x intermedia ‘Provence’
- Libocedrus decurrens
- Lotus scoparius
- Lyonothamnus floribundus var. asplenifoius
- Mimulus aurantiacus
- Monardella villosa
- Myrica californica
- Nandina domestica
- Penstemon centranthifolius
- Penstemon spectabilis
- Phacelia bolanderi
- Philadelphus lewisii
- Physocarpus capitatus
- Poa secunda
- Psoralea orbicularis
- Punica granatum ‘Wonderful’
- Purshia stansburyana
- Quercus douglasii
- Rhamnus californica
- Rhamnus californica ‘Tranquil Margarita’
- Romneya coulteri
- Rosa banksiae ‘Alba Plena’
- Rosa californica
- Rosa nutkana
- Rosa spp. ‘Honor’
- Rosmarinus officinalis
- Salvia ‘Celestial Blue’
- Salvia ‘Starlight’
- Salvia apiana
- Salvia clevelandii ‘Pozo blue’
- Salvia clevelandii ‘Winnifred Gilman’
- Salvia sonomensis
- Salvia x clevelandii ‘Allen Chickering’
- Sambucus mexicana
- Sedum reflexum ‘Blue Spruce’
- Sisyrinchium bellum
- Solanum jasminoides
- Tellima grandiflora
- Thymus
- Trachelospermum jasminoides
- Vitis labrusca
- Vitis vitifera