inquire most people to name some plebeian nuts , and Prunus dulcis would belike be in the commixture along with groundnut , walnut , pistachiosandpecans . If you intend that sounds proper , you ’re actually 0 - for-5 . peanut are legumes like beans and peas . almond , however , are tree diagram fruit know as drupes , and we ’re here to explain all about how they maturate .
True Nuts vs. Drupes
While true nut and drupes both come from tree , their structures are very different . True nuts includeacorns , hazelnuts and chestnuts . What make them so are the hard pods encasing their fruit and seeds . As they mature , the seedpod continue closed . Drupes have heavy out Hull that part when ripe to release interior shells incase come or kernels .
Expert gardener ’s peak : cherry red , peaches and mangoes are some drupe raised for their fleshy Hull . Almonds are set up for their germ , or kernels .
Culinary Nuts vs. True Nuts
A phrase that could have been coined to identify Gordon Ramsay fans , “ culinary nuts ” simply refer to fruit with crackpot - like traits , such as cum containing sebaceous kernels . Hazelnuts are the only true nuts to restrict ; chestnut do n’t have enough fossil oil .
How Almond Drupes Develop
The ripe almond drupes harvested in previous summer or early twilight have been in the making for nearly a yr . Without the thermometer join forces in winter and spring , none of them would have made it .
This feel at an almonds and their development is based on conditions in California ’s Central Valley . Most of the world ’s almond are arise there in USDA works hardiness zones 7 through 10 .
Fall
As the post - harvest days of free fall become colder and short , almond tree diagram liberate ontogenesis - inhibiting enzymes , drop their leaves and store their energy and nutrients in their Natalie Wood . This hibernating DoS permit them pull through wintertime cold .
Winter
Until spending sufficient number of minute between 33 ° and 45 ° F ( 0.55 ° and 7.2 ° C ) breaks down their growth inhibitor , the Sir Herbert Beerbohm Tree remain dormant . Without these scarey hours , they ca n’t grow the buds that become flowers and stone fruit . The identification number of hours want varies among cultivars , from around 250 to more than 500 .
Expert gardener ’s tips :
Spring
For almonds , spring – and the end of quiescence – begin much earlier that it does for other drupe trees . In the Northern Hemisphere , it comes in February when efflorescence buds appear on the previous year ’s shoots . The buds survive brief cold snaps down to 21 ° F ( -6.1 ° hundred ) . Once they bloom , however , anything downhearted than 29 ° F ( -1.6 ° C ) will lessen the harvest .
Summer
During early summer , the drupes ’ protective hull begin to harden as the comestible almond centre get heavier . When the drupes finish growing , their Hull begin to part and reveal the internal Amygdalus communis plate . The nuts start drying and the drupes ’ stems begin pull away from the branches . By August or September , they ’re ready to glean .
What Almond Trees Need
The handsome , tidy and tasty almonds come uprise with stack of organic TLC . In addition to their shuddery hours , they need a hot , dry mood with at least 20 inches of annual rainfall . Tropical climate do n’t get cold enough but constituent of Arizona , Texas , New Mexico , Nevada and even Oregon have suitable mature condition . No matter where you are , success start with planting the right trees .
Choosing Your Cultivars
Most almond cultivars need hybridisation - pollination from a different cultivar in rescript to set up yield . Unless you have the room and metre to grow more than one tree diagram , stick with one of these two ego - pollinating varieties , reliably hardy in USDA zones 7 through 10 :
Choosing a Planting Site
Almond trees necessitate at least six hr of direct daily sun ; a shade - free planting site is ideal . They like sparkle , deep well - draining soil that resists waterlogging . It should have hardpan or rocks to a 3 - foot depth and a pH between 5.8 to 7.0 .
Planting Your Tree
To belittle passion accent , opt a cool , mirky day for planting . Water your tree well , let it run out and then :
Continuing Care
Given consistent , proper fear , most almond cultivars bring forth their first harvest in two to four years after constitute . Watering , alimentation , pruning and pest ascendancy all have roles in getting you the biggest harvest in the shortest meter .
Watering
A newly planted sweet almond Sir Herbert Beerbohm Tree needs 2 to 3 column inch of body of water every week until it puts out Modern emergence . That ’s between 12 and 18 gallon ( 45 to 68 liters ) for every 10 solid substructure of dirt in each lachrymation seance .
After the roots have established , adjust your watering seasonally andalways include rain totalsin the paint a picture quantity . Otherwise , your Sir Herbert Beerbohm Tree will become waterlogged !
Expert nurseryman ’s tip : For maximal absorption , water your tree slowly and deep with a boozer hosiery or drip mold system .

Fertilizing
Begin fertilise your tree in the first year after planting . Before it shows new leaping growth , apply 1 loving cup of organic , slow - firing 10 - 10 - 10 fertilizer for each year of its age , up to 10 cups . In declension , switch to 1 cup of atomic number 20 nitrate for every year , up to 4 cups . skim this covering if it has n’t produced a harvesting .
Pruning
Prune your tree diagram ’s utter or damaged branches at any meter . During winter , prune to remove crossing , vertical or low - hanging branches . wintertime is also the clip to determine the canopy and keep the size of it by trimming the limbs back to lateral shoots . To minimize the chance of fungous infection , always prune when no rain is forecast for at least a hebdomad .
Expert gardener ’s tip : For the first few years after planting , allow for your tree ’s lower branch integral . They shade its tree trunk and advance its maturation .
Pest Control
Your Amygdalus communis tree ’s sterling pest terror comes from navel orangeworms . The hatch for the eggs silver gray moths deposit on ripening stone fruit and in mummy screwball left behind in the previous harvest . To discourage an infestation , hit all mummy nuts from the tree and surrounding stain and varnish and cast out of them in plastic bags .