<%BANNER%>

UFIR IFAS



Helping Landscapes Recover from Drought
http://edis.ifas.ufl.edu/ ( Publisher's URL )
CITATION PDF VIEWER
Full Citation
STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/IR00001746/00001
 Material Information
Title: Helping Landscapes Recover from Drought
Physical Description: Fact Sheet
Creator: Knox, Gary W.
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 2002
 Notes
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status: Published
General Note: "Original publication date February 2002. Reviewed December 2008."
General Note: "ENH862"
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001746:00001

Downloads

This item is only available as the following downloads:

EP11800 ( PDF )


Full Text

PAGE 1

Hel p in g Landsca p es pgp Recover Recover from Drought from Drought

PAGE 2

Recovering from Drought Recovering from Drought Assess the Landscape: Assess the Landscape: Whattolookfor What to look for Where to look What to Do: What to do in the short term Whattowatchforoverthe What to watch for over the long term

PAGE 3

Recovering from Drought Recovering from Drought Assess the landsca p e p Plants and turf Irrigationsystem Irrigation system Note the lid l ocat i ons an d characteristics of bl pro bl em areas

PAGE 4

Recovering from Drought Recovering from Drought What to look for: Deadpatchesofgrass Dead patches of grass Wilted or off-color fli f o li a g e Poor or uneven growth Dead branches or plants Suddendeathofan Sudden death of an entire tree or shrub

PAGE 5

Recovering from Drought Recovering from Drought Where to look for damage: Where to look for damage: marginal species ltilitd p l an t s i mproper l y s it e d areas where plants were paticlalstessed pa r tic u la r l y st r essed

PAGE 6

Recovering from Drought Recovering from Drought Pay close attention to marginal plants f or the area f

PAGE 7

Recovering from Drought Recovering from Drought Marginal plants for North Florida: Plants too far south Some Cherries (Prunus species) Plants too far north Bottlebrush l Queen pa l m Bougainvillea Tropicals Tropicals

PAGE 8

Recovering from Drought Recovering from Drought Marginal plants for Central Florida: Plants too far south Dogwood Saucer magnolia Redbud Fringe tree Plants too far north Tibouchina Til T rop i ca l s

PAGE 9

Recovering from Drought Recovering from Drought Marginal plants for South Florida: Plants too far south Camellias Azaleas Temperate deciduous fruits (apples, pears, and mostpeachesblueberries most peaches blueberries raspberries, and blackberries)

PAGE 10

Recovering from Drought Recovering from Drought Pay close attention to plants that were i mp ro p erl y sited in the landsca p e mppy p Too dry Azaleas Too shady Turf Azaleas Too wet Pittosporum Turf Improper soil pH AzaleasBlueberries Pittosporum Too sunny Dogwood Azaleas Blueberries Bahiagrass, and Centipedegrass Dogwood Azaleas Centipedegrass on alkaline soil

PAGE 11

Recovering from Drought Recovering from Drought Pay close attention to plants located in Pay close attention to plants located in stressful sites Turfandplantingsclose Turf and plantings close to sidewalks, roads, etc.

PAGE 12

Recovering from Drought Recovering from Drought Pay close attention to plants located in Pay close attention to plants located in stressful sites Pltiht Pl an ti n g s w h ere roo t s were confined or restricted Raised beds Sidewalk cutouts Dense plantings Compactedsoil Compacted soil Parking lot islands

PAGE 13

Recovering from Drought Recovering from Drought Pay close attention to plants that were Pay close attention to plants that were particularly stressed Dht itilt D rou ght -sens iti ve p l an t s Plants with shallow roots

PAGE 14

Recovering from Drought Recovering from Drought Pay close attention to p lants that were p particularly stressed Recently plantedtrees Recently planted trees shrubs and sod Plantsthatwere Plants that were overwatered p rior to drou g ht and pg water restrictions

PAGE 15

Recovering from Drought Recovering from Drought Pay close attention to plants that Pay close attention to plants that were particularly stressed Iitiith I rr ig a ti on zones w ith poor uniformity

PAGE 16

Recovering from Drought Recovering from Drought What to look for: Surprises! Surprises! Some drought tolerant plants will suddenly die or show in j ury after rains resume (often in July/Au g .) These plants usually have root damage/disease that was not evident durin g the drou g ht High temperatures and full growth flushes i iil lddd i ncrease transp i rat i ona l water l oss, an d d ama g e d root systems cant keep up

PAGE 17

Recovering from Drought Recovering from Drought Assess the Landscape Assess the Landscape Wht t D? Wh a t t o D o ? Whattodointheshortterm What to do in the short term What to watch for over the l t l ong t erm

PAGE 18

Recovering from Drought Recovering from Drought What to Do? Replaceplants/turf? Replace plants/turf? Cut back p lants? p Maintain landscape as usual? Chthiitit? Ch ange th e i rr i ga ti on sys t em ? Chan g e the landsca p e desi g n? gpg

PAGE 19

Recovering from Drought Recovering from Drought Consider changing the landscape designto incorporate more water-efficient features

PAGE 20

Recovering from Drought Recovering from Drought Consider changing the irrigation Consider changing the irrigation system Ttbl T o correc t pro bl ems To incorporate more water-efficient features

PAGE 21

Recovering from Drought Recovering from Drought Pl l Pl ant rep l acement? T urf: Re p lace the entire lawn if more p than 40% of the turfgrassis dead or severel y dama g ed yg Landscape Beds: Consider replacing: Deadplants Dead plants Significantly damaged plants Livingbut aesthetically challenged plants Living but aesthetically challenged plants

PAGE 22

Recovering from Drought Recovering from Drought Plant replacement? Replacementmaynotbenecessaryin: Replacement may not be necessary in: Beds that were overplanted at installation Removalofdeadplantsprovidesspace Removal of dead plants provides space needed for the canopies and roots of remainin g p lants gp Damaged turf areas where turf is no longer a pp ro p riate due to shade or other factors ppp that prevent proper growth

PAGE 23

Recovering from Drought Recovering from Drought Pl l Pl ant rep l acement? If re p lacin g p lants: pgp Follow the Right Plant/Right Place rule Considerplantswithgreaterdrought Consider plants with greater drought tolerance Dtldi killdltith D on t rep l ace di seasekill e d p l an t s w ith other susceptible plants

PAGE 24

Recovering from Drought Recovering from Drought If replacing plants, install them properly!

PAGE 25

Recovering from Drought Recovering from Drought Pl f dh Pl ant care a f ter a d roug h t Remove dead branches from trees and shrubs Prune as needed for safetyplanthealth safety plant health and aesthetics

PAGE 26

Recovering from Drought Recovering from Drought Plant care after a drought Plant care after a drought Fertilization Considerations: Most established trees and shrubs dont need fertilizer Use iron instead of nitro g en fertilizer to g reen up a lawn If you fertilize, remember nitro g en fertilizers will stimulate growth; avoid fertilizing until plantshavefullyrecoveredandrootsystems plants have fully recovered and root systems have regenerated

PAGE 27

Recovering from Drought Recovering from Drought Plant care after a drought Plant care after a drought Fertilization Considerations: Fertilizer can be applied to plants needing to replace a significant portion of their canopy tltthtdthbt or t o new p l an t s th a t nee d a g row th b oos t to catch up in size to older plants Micronutrientsmaybeappliedtopalms Micronutrients may be applied to palms tropical fruits and other plants showing these nutrientdeficiencies nutrient deficiencies

PAGE 28

Recovering from Drought: Long Term Effects Long Term Effects Signs of Residual Plant Stress Signs of Residual Plant Stress Water sprouts and uneven growth

PAGE 29

Recovering from Drought: Long Term Effects Long Term Effects Signs of Residual Signs of Residual Plant Stress Water sprouts/uneven g rowth Pests that move in on stressed plants Borers! Allfi A za l ea l ea f m i ner Botryosphaeria and Hypoxylon cankers Hypoxylon cankers Armillariaand some other root rots

PAGE 30

Recovering from Drought: Long Term Effects Long Term Effects Signs of Residual Plant Stress Signs of Residual Plant Stress Water sprouts and uneven growth Pests that move in on stressed plants Ntitdfiii N u t r i en t d e fi c i enc i es

PAGE 31

Recovering from Drought: Long Term Effects Long Term Effects Signs of Residual Signs of Residual Plant Stress Water sprouts and uneven growth Pests that move in on stressed plants Ntitdfiii N u t r i en t d e fi c i enc i es Early fall color Heavy flowerin g and/or fruiting

PAGE 32

Recovering from Drought: Long Term Effects Long Term Effects Signs of Residual Plant Stress What do doif plants exhibit Water sprouts and uneven growth Ptthti these symptoms Play detective to dih P es t s th a t move i n on stressed plants N ut ri e n t de fi c i e n c i es d eterm i ne t h e cause and decide on a course of action utetdececes Early fall color Heavy flowering (if the condition can be remedied) and/or fruiting

PAGE 33

Recovering from Drought Recovering from Drought Review and Revise maintenance p ractices accordin g to U F g uidelines pg F g for plant health and water efficiency

PAGE 34

Recovering from Drought Recovering from Drought Review and Revise maintenance p ractices accordin g to U F g uidelines Mlh Pti IPM pg F g for plant health and water efficiency M u l c h Irrigate and Fertilize as needed P rac ti ce IPM Mow high Fertilize as needed Use slow-release fertilizers Mow high Recycle yard waste fertilizers Recycle yard waste

PAGE 35

Recovering from Drought Recovering from Drought Assess the Landscape: Whattolookfor What to look for Where to loo k What to Do : What to Do What to do in the short term What to watch for over the long term

PAGE 36

Hel p in g Landsca p es pgp Recover Recover from Drought from Drought

PAGE 37

Institute of Food and Agricultural SciencesNorth Florida Research and Education Center -Quincy and Monticello

PAGE 38

ENH862 Hli Ld R f Dht Dld b H e l p i ng L an d scapes R ecover f rom D roug ht D eve l ope d b y Gary W. Knox University of Florida/IFAS North Florida Research and Education Center 1. This document is ENH862, formerly STP-21 6, one of a series of the Environmental Horticulture Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date February 2002 Rid Db 2008 Viit th EDIS Wb Sit t htt//diiffld 2002 R ev i ewe d D ecem b er 2008 Vi s it th e EDIS W e b Sit e a t htt p: // e di s. if as.u fl .e d u 2. Gary W. Knox, Professor, Extension Envir onmental Horticulturalist, North Florida Research and Education Center Q uinc y; Coo p erative Extension Service Institute of ,Qy;p Food and Agricultural Sciences, University of Florida, Gainesville, 32611