The Q&A Archives: low allergen trees

Question: i am looking for a low allergen tree any size up to 25 feet. i really like the pink dawn chitalpa, but i cannot find very much information on them. are they low allergen trees? if not, can you recommend and trees with a medium to broad sized leaf that can take the las vegas heat? also, i would like to plant some crepe myrtle in the yard. i read on one website that they were low, what do you think? Thank you so much for your time.


Answer: Some of the best low pollen trees and shrubs for your gardening area include:

Albiza julbrissin (Silk Tree) Fern-like leaves, deciduous, pink flowers
Bauhinia spp (Orchid Tree) Orchid-like flowers, frost sensitive
Brachychiton populneus (Bottle Tree)
Tall tree, shiny leaves

Ceratonia siliqua (Carob) female
Spreads widely - large area needed

Eucalyptus spp (many species)*
Some species cause litter. Invasive roots

Melia azedarach (Chinaberry Tree) Clusters of yellow berries
Olea europaea 'Swan Hill' (Olive 'Swan Hill' fruitless variety)
Produces some pollen

Olneya tesota (Desert Ironwood)
Slow growing

Pinus edulis (Pinon Nut Pine)*
Small, slow growing

Pinus halepensis (Aleppo Pine)*
Hardy, fast growing

Pinus monophilia (Singleleaf Pinon Pine)*
Similar to P. edulis

Pinus pinea (Italian Stone Pine)*
Large tree

Pinus roxburghii (Chir Pine)*
Large tree

Pistacia atlantica (Mt. Atlas Pistache) female
Slow growing, handsome tree

Pistacia chinensis (Chinese Pistache) female
Needs a large space

Pistacia vera (Pistachio) female
Produces pistachio nuts

Pittosporum phillyraeoides (Willow Pittosporum)
Narrow leaves, pendulous branches

Zizyphus jujube (Chinese Jujube, Common Jujube)
Attractive tree, shiny leaves

Shrubs That Become Trees

Acacia constricta (Whitehorn Acacia, Mescat)*
Native, deciduous, spring flowers

Acacia greggii (Cat's Claw Acacia)*
Sharp thorns, yellow spring flowers

Acacia minuta (smallii) (Southwestern Sweet Acacia)*
Attractive, cold hardy, yellow flowers

Chilopsis linearis (Desert Willow)
Deciduous, twiggy, white to pink flowers

Feijoa sellowiana (Pineapple Guava)

Punica granatum (Pomegranate)
Attractive, red flowers and fruit

Sophora secundiflora (Mescal Bean, Texas Mountain Laurel)
Violet flowers, attractive

Vauquelinia californica (Arizona Rosewood)
Dense shrub, hardy

Vitex agnus-castus (Chaste Tree, Monk's Pepper)
Grows widely with watering

Yucca brevifolia herbertii (Joshua tree)
Greenish white flowers

Penstemon baccharifolius (Cutleaf Penstemon)

Pyracantha (red berried types) (Pyracantha (many cultivers)
White flowers, orange-red berries

Rosa banksiae (Lady Banks Rose, Tombstone Rose)
White or yellow flowers

Hope this list helps you find just the right plants for your landscape!

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