<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body"> I know it has been posted before in this thread but the link to the DNR seedlings is attached here again.
DNR Tree Order Form </div></div>
Preparation for spring tree planting should be underway if your planning on putting new trees in the ground this year.
IDNR Private Assistance
Creating wildlife habitat
One thing to consider when ordering seedlings is that larger seedlings often suffer higher mortality and lower survivability then younger smaller seedlings. Often people assume that older seedlings will do better but more then often this is not the case.
A friend of mine who is signing up for the CRP tree planting program said “well I have until June to get them planted”….that may be true, but seedlings will arrive in early April depending on weather and soil conditions. Nurseries will prepare dormant seedlings for shipment asap in the spring and you must be prepared to plant them when they arrive.
New seedlings can be “heeled” in temporarily by spreading the seedlings out (cut the strings on the bunches) in a trench and cover them with soil until you are ready to plant.
Still, the seedlings should be planted as soon as possible after arrival and before they break dormancy.
It’s also important to spray herbicides before trees break dormancy to prevent injury to trees. Most large scale plantings will require “over the top” spraying right after planting. Established plantings should also be sprayed in early spring before grass and weeds start to grow and trees are still dormant.
In the case of smaller plantings, a backpack sprayer can be used and spray directed around the base of the seedling rather then over the top which allows one to spray a little later in the spring.
Be prepared by understanding which herbicides are best for you and having them on hand by late March. If your planting by hand then band spraying could be done before planting but mechanical planting will disturb to much soil requiring spraying after planting.
There are a number of options when it comes to herbicides but one thing is certain…if you want high survival rates and fast growth of your new tree planting, spend the extra dollars for weed control!
Keep in mind you will be band spraying each row 3-4 feet wide, so some math is required to come up with “an acre” of trees. 3’ x 1320’ (1/4 mile)=3960 x 4 rows = 15,840 sq. ft.
43,560 sq. ft per acre means that in this case the required herbicide is little more then a 1/3 of an acre! When a herbicide costs $40-80 per acre it is actually covering an awful lot of trees!!
Rates per acre vary depending on soil type with heavier clay type soils requiring higher rates then sandy loamier soils.
Princep 4L (simazine) is a fairly safe pre-emergent herbicide that can be mixed with other herbicides such as Surflan and Oust. It is applied at 2-4 quarts per acre. Costs $9-18 per acre.
Oust Extra (sulfometuron + metsulfuron) is applied at 4-5 ounces per acre an acts as both a pre-and post emergent. Costs run $40-50 per acre. Oust is a Restricted Use Pesticide requiring a Pesticide Applicators license to purchase.
Fusilade (fluazifop-P butyl) is applied at 16-24 ounces per acre and runs $12-16 per acre. Fusilade is a post-emergent herbicide that works best on actively growing grasses. It is safe for a very long list of trees and shrubs.
Surflan AS (oryzalin) is a pre-emergent herbicide that is also safe for a long list of trees and shrubs. Apply at 3-4 quarts per acre at a cost of $75 to 100 per acre.
Pendulum herbicide is not effective against turfgrasses such as fescue but can be combined with Oust for instance for season long control and is safe for a large number of trees and shrubs.
Herbicides
This is a must read!
IDNR Weed Control Guide
Iowa Tree Planting
A few things to consider....
Red Cedars while not the prettiest tree, has one of the highest survival rates in tree plantings. It will provide the greatest benefits in a wildlife oriented planting as far as shelter, bedding area and even a food source for birds, of any conifer that one can plant.
If your planning a hardwood planting, look for fast growing hybrid oaks and chestnuts that can provide mast in as little as 4-6 years.
Your shrub selection should be native species that are not considered invasive.
Natives
IDNR Shrub list
Other seedling sources:
Coldstream Farms
Red Fern Farm Chestnuts, apples, pears, persimmons and paw paws
Oikos Tree Crops Hybrid oaks