next step, according to Neux, every J&D build suits differently to every YGO player. so, Space would be my best choice as I seen it run first hand(dueling against it with my ace deck in fact). but that wouldn't be too original right? so, I look at a few more of Neux's video, and watches his Power Tool Plant deck(the 11th time), and was like "this could work!!"
so, I came up with the idea of J&D concept with your everage plant deck. and this card grab my mind instantly, Dark Verger. its a Lv 2 plant with 0 attack and has an outstanding effect that allows absolute swarming.

Junk and Debris In: The Rampaging Plant And the Horizonless Gardens
monster(19):
3x Junk Syncron
3x Debris Dragon
1x Weed // Nettles
1x Copy Plant
2x Giga Plant
2x Lone Fire Blossom
2x Botanical Girl(not sp summonable, but it helps you thin the deck)
3x Dark Verger
1x Dandylion
1x Card Trooper
Spells(14):
2x Miracle Fertilizer
2x Foolish Burial
2x Arms Hole
2x Mark of the Rose
3x Supervis
2x Pot of Avarice
1x Lightning Vortex
Traps(7):
2x Raigeki Break
1x Call of the Haunted
1x Mirror Force
1x Torrential Tribute
2x Polinosis
Extra(15):
2x Black Bulldrago
2x C. Dragon
2x Ancient Fairy Dragon
1x Black Rose Dragon
2x Magical Android
2x Powertool Dragon
1x Stardust Dragon
1x Red Dragon Archfiend
1x Goyo Guardian
1x Bronaic, Dragon of the Ice Boundary
as you could see, the deck heavy emphasizes on the J&D concept, as well as the Gigaplant swarm concept. This is just a theory of the deck. I do not know will it work. Supervis is to generate the impenetrable wall of Gigaplant (I don't know if I should include Botanical Girl... as she cannot be sp summon by both J&D).
overally, its just a fusion between Rau's J&D and the Powertool Plant that Neux showcased.
PS. the deck is named by Rau and suggestion had been edited


