code

local Spawns = workspace:WaitForChild('ShrubSpawns')
local Shrub = game.ServerStorage.Bush


RespawnTimer = 5
Min_Shrub = 15
Max_Shrub = 30

while wait() do
    wait(RespawnTimer)
    workspace.Bush:ClearAllChildren()
    local SpawnIndex = Spawns:GetChildren()
    local AvailableSpawns = {}
    for _, v in pairs(SpawnIndex) do
        i = math.random(1,#SpawnIndex)
        table.insert(AvailableSpawns, i)
    end
    for _, v in pairs(AvailableSpawns) do
       local sint = math.random(1,v)
       local ThisSpawn = AvailableSpawns[sint]
        for i = 1, math.random(Min_Shrub, Max_Shrub) do
            local NewShrub = Shrub:Clone()
            NewShrub.Parent = workspace.Bush
            NewShrub.Position = Vector3.new(ThisSpawn.Position + Vector3.new(math.random(-70,70),4,math.random(-70,70)))
        end
       table.remove(AvailableSpawns, sint)
    end

end