Fruit Tree
All-In-One Almond
Prunus dulcis 'All-In-One' · Rosaceae
Also called: All-in-One Almond, Self-fertile Almond, Prunus amygdalus 'All-In-One' (older name)
All-In-One Almond (Prunus dulcis 'All-In-One') is a moderate-water fruit tree well suited to Tucson and the low desert. It thrives in full sun, with a moderate to fast growth rate. Expect white to pale pink blooms Pinkish-white blossoms late winter/early spring.
All-In-One Almond at a glance
- Water use
- Moderate (established)
- Sun
- Full sun; needs heat to ripen nuts.
- Mature size
- Semi-dwarf: about 12-15 ft tall and wide (standard almonds reach 15-20+ ft).
- Growth rate
- Moderate to fast
- Bloom
- White to pale pink, Pinkish-white blossoms late winter/early spring (Feb-March in Tucson); nuts harvest late summer (Aug-Sept) when hulls split.
- Cold hardiness
- Wood is winter/frost hardy, but the early bloom is the risk: late-winter frosts in Tucson can damage open blossoms and reduce the crop. 'All-In-One' blooms somewhat later than many almonds, helping in low-desert frost pockets.
- Soil
- Needs reasonably fast-draining soil; performs poorly in heavy waterlogged clay or shallow caliche. Tolerates alkalinity but watch for micronutrient deficiency.
- Native range
- Species native to the Mediterranean / western Asia. Not native to Arizona.
- Best used as
- Edible nuts (and edible immature 'green almonds'), Small fruiting/specimen tree, Pollinator-friendly early spring bloom, Edible landscaping
- Wildlife
- Early blossoms are an important nectar/pollen source for bees.
- Toxicity
- Sweet almond kernels are edible. Leaves, twigs, and especially the seeds of related bitter almonds/stone fruits contain cyanogenic (amygdalin) compounds; foliage and pits can be toxic to dogs, cats, and livestock if chewed. Tree-nut allergen.
How to grow All-In-One Almond in Tucson & the low desert
Watering
Deep irrigation every 7-10 days through the hot season once established, soaking the root zone to the dripline; reduce to monthly in winter. Consistent moisture during nut fill (late spring-summer) improves kernel quality.
Fertilizer & nutrients
Moderate feeder; apply nitrogen (or balanced fruit-tree fertilizer) in late winter and again after fruit set. Watch for zinc and iron chlorosis in Tucson's alkaline soils and correct with chelated micronutrients if leaves yellow.
Pruning & care
Prune in winter dormancy to maintain an open vase or modified central leader and remove dead/crossing wood; almonds fruit on spurs and one-year-old wood, so renew fruiting wood with moderate annual pruning.
Notes
'All-In-One' is the go-to home-garden almond for Tucson because it is SELF-FERTILE (no second cultivar needed) and semi-dwarf for small yards. It is a soft-shell sweet almond with low chill needs suited to the low desert. Main risk is frost on early bloom; site in a warmer microclimate and ensure fast drainage.
Sources: University of Arizona Cooperative Extension / Pima County Master Gardeners (deciduous fruit & nut guides); U of A bulletin az2106 (fruit trees for the desert); Dave Wilson Nursery cultivar data